Questions on Word Problems: Problems on percentages, ratios, and fractions answered by real tutors!

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Question 610838: Suppose each of the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10 is written on a separate poker chip and placed in a hat. If one of the chips is randomly selected, determine the probability that the chip selected will contain an odd number or a number less than five.

I am still not understanding this kind of math... Any help is appreciated...
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Question 610995: If there is 270 and 2 out of 3 is boys haw many boys is there?
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Question 611029: I need to write an equation and solve for the following: Together my sister and I have $1000. If 5% of my money is $6 more than 6% of my sister's money, how many dollars does my sister have?
Thanks,
David R.
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Question 611109: If there are 78 females in a restaruant and 54 males what is the percentage of females.
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Question 611437: garcia has a 12 gallon gas tank. he has used 5 1/8 of it. how much does he have left?
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Question 611558: Why the smallest scalene triangle with integral sides has a perimeter of 9 units?
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Question 170313: richard makes strawberry milk shakes. he mixes 10 1/2 cups of milk and 5 3/4 cups of strawberry icc cream for every 10 milk shakes. richard needs to make 25 milk shakes for a party. how many cups of milk and how many cups of strawberry ice cream does he need?
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Question 611782: If i have 24had of something and give11 away what is the fracti
on
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Question 611872: Please help me solve this problym
Seventy-one of the one hundred students were girls. Girls made up what fraction of the students in school?
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Question 612401: in an algebra class of 28 students, the number of girls is 5 less than twice the numbers of boys. how many boys and girls are in the class
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Question 612399: What is the interest rate on a 120 Day loan of $1,500.00 at a 9% interest.
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Question 612515: Suppose there are 15 candidates for 3 positions at a community foster care facility, There are three shifts (first, second, and third shift). One position is for the 1st shift supervisor; another position is for the 2nd shift supervisor; and the final position is for the 3rd shift supervisor. How many different ways can these positions be filled?
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Question 612536:
Is this a trick question? It is in my math book.
What is 3/4 (three fourths) expressed as a percentage?
A. 0.75%
B. 7.5%
C. 75%
I'm thinking it is C but maybe A?
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Question 612869: An urn contains blue and purple marbles. The number of purple marbles is 3 more than twice the number of blue marbles. If the probability of drawing a blue marble at random is 1/4, how many blue marbles are in the urn?
Thanks!
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Question 612870: From a class of girls and boys, the probability that one student chosen at random will be a boy is 2/3. If 3 girls leave the class, the probability that a student chosen at random will be a boy is 4/5. How many boys and girls are ther in the class before the 3 girls leave?
Thanks !
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Question 613224: Could someone help me with this problem? Could someone explain it to me, please!
A scale model of a train engine is 1 and three fourths (1 3/4) inches long. A real engine is 28 feet long. If a freight car on the model train is three eights (3/8) inch long, what is the actual size of the freight car on the real train?
A. 6 feet
B. 42 feet
C. 72 feet
D. 512 feet

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Question 613320: please help me solve the following; If you invest R10000 at 10 percent now,how much will it be worth after 20 years? Pleas explain thank you
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Question 613421: 15% of what amount is $72
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Question 613417: There were 4 5/8 pie in case. 30 people ate 1/8 each
What fraction is left??
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Question 613430: The Royal Fruit Company produces two types of fruit drinks. The first type is 25% pure fruit juice, and the second type is 75% pure fruit juice.The company is attempting to produce a fruit drink that contains 35% pure fruit juice. How many pints of each of the two existing types of drink must be used to make 100 pints of a mixture that is 35% pure fruit juice?

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Question 613816: if you have 3/4 cups of flour how many eights do you have?

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Question 614148: The ration of seniors to juniors was 6 to 13. If there were 380 in all, how many were seniors ?
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Question 614252: Cindy mows a lawn in 50 minutes. It takes Sara 40 minutes to mow the same lawn. How long will it take them to mow the lawn if they work together?
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Question 614316: The ratio of a boy’s age to his father’s age is 1 : 4. In 4 years’ time, the ratio of their ages will
be 1 : 3. How old is the boy now?
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Question 614316: The ratio of a boy’s age to his father’s age is 1 : 4. In 4 years’ time, the ratio of their ages will
be 1 : 3. How old is the boy now?
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Question 614360: sam played 135 games and won 75. what is the ratio of the number of games lost to the number of games won?

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Question 614394: A history exam has 100 multiple choice questions. A student gets 4 points for a correct answer, but loses 3 points for an incorrect answer. I answered all of the questions and scored a total or 225 points. How many did i answer correctly and many did i answer incorrectly?
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Question 614496: How do I figure out (in the easiest way) the answer to:
165.32 is 15% of what number?
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Question 614537: Construct a frequency distribution table to organize the following set of data:
97 98 94 97 91 90 91 94 94 99
96 91 94 98 90 95 90 99 99 92

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Question 614659: joses gas tank is 1/9 full after he buys 6 gallons it is 1/3 full how many can joses tank hold
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Question 614675: 2. Classify the following variable as nominal, ordinal, discrete, or continuous and state why it is such a variable:
Annette
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Question 614786: 5. Determine if this is an example of a variable or a parameter:
Salary (Points : 3)

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Question 615207: A sales executive earns 1000 dollars per month plus 5% commission on the amount of sales, The executive's goal is to earn 5000 dollars per month. What amount of sales will enable the executive to earn 5000 dollars or more per month?
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Question 615337: The number of children belonging to each of eight families registering for swimming was 1, 2, 1, 3, 2, 1, 5, 3. Find the mean.

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Question 615336: using the data set below, pleasecaculate the:
9
7.5
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Question 615363: A sales executive earns $1000 per month plus 5% commission on the amount of sales. The executives goal is to earn $5000 per month. What amount of sales will enable the executive to ear $5000 or more per month?
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Question 615637: A certain drug is made from only two ingredients: compound A and compound B. There are 5 milliliters of compound A used for every 4 milliliters of compound B. If a chemist uses 255 milliliters of compound A, how many milliliters of the drug will be made?

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Question 615708: if 3/5 is divided into 9 parts, how much is in each part?
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Question 615725: Starting with the data values 70 and 100, add three data values to the sample so that the mean is 96, the median is 97, and the mode is 97. Please show all of your work.

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Question 615720: Please show all of your work when answering the following:

I. Use Chebyshev’s theorem to find what percent of the values will fall between 237 and 297 for a data set with a mean of 267 and standard deviation of 15.

II. Use the Empirical Rule to find what two values 95% of the data will fall between for a data set with a mean of 207 and standard deviation of 20.

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Question 615852: An Insurance office has 75 employees and 45 have cell phones what portion do not have cell phones

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Question 615473: i am thinking of a number. if you multiply it by 1/3 and then add 13, the result is 94. Write an equation and solve it to find the number
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Question 616608: A soccer team has 3 more boys and three-fourths as many girls as last year. The number of players on the team is the same as last year. How many girls were on the team last year
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Question 616546: 20 minutes : 2 hours
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Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220