Tutors Answer Your Questions about Numeric Fractions (FREE)
Question 1191538: The average number of boys in 1A, 1B and 1C is 18. This is 4 more than the average number of girls in the 3 rooms. 2/7 of the total number of girls are in 1C. 3/2 of the number of girls in 1B is the same as 3/7 of the total number of girls in the 3 rooms. What fraction of the total number of boys in the 3 rooms is in 1A if there are 40 pupils in 1A?
Click here to see answer by ikleyn(52778)   |
Question 1191695: 1. An elementary teacher gathered the data in the performance of his 70 students in Mathematics. The performance of the pupils is summarized in the frequency table given below.
Class score f
96 - 100 1
91 - 95 5
86 - 90 10
81 - 85 4
76 - 80 15
71 - 75 14
66 - 70 8
61 - 65 7
56 - 60 2
51 - 55 3
46 - 50 1
a. Compute the Mean, Median, Variance, Standard Deviation and CV. Interpret the value of the CV.
b. Using Excel, construct a histogram/bar graph.
Click here to see answer by ikleyn(52778) |
Question 1192503: The number of lemons a fruit seller bought in December was 30% more than in November. In January, he bought 50% less lemons than in December. If there were 3577 more lemons in November than January, how many lemons did the fruit seller buy in November?
Click here to see answer by Theo(13342)  |
Question 1192503: The number of lemons a fruit seller bought in December was 30% more than in November. In January, he bought 50% less lemons than in December. If there were 3577 more lemons in November than January, how many lemons did the fruit seller buy in November?
Click here to see answer by greenestamps(13200)  |
Question 1195128: I am trying to figure out how to solve the following math problem:
Three people who work full time are to work together on a project, but their total time on the project is to be equivalent to that of only one person working full-time. If one of the people is budgeted for one-sixth of his time to the project and a second person for one-half of her time, what part of the third worker's time should be budgeted for this project?
1. 1/8
2. 1/3
3. 1/2
4. 3/4
The answer is 1/3. I need to know the steps to arrive at that answer.
Click here to see answer by Theo(13342) |
Question 1195128: I am trying to figure out how to solve the following math problem:
Three people who work full time are to work together on a project, but their total time on the project is to be equivalent to that of only one person working full-time. If one of the people is budgeted for one-sixth of his time to the project and a second person for one-half of her time, what part of the third worker's time should be budgeted for this project?
1. 1/8
2. 1/3
3. 1/2
4. 3/4
The answer is 1/3. I need to know the steps to arrive at that answer.
Click here to see answer by MathTherapy(10552)  |
Question 1195589: The government wants to test out their new rockets. The path of their rockets are given (measured in kilometers) by h = -0.5d(2d - 500,000). h represents height, and d represents horizontal distance.
a) What is the horizontal distance that the rockets travels?
b) What is the maximum height the rocket flies?
Click here to see answer by Alan3354(69443)  |
Question 1195589: The government wants to test out their new rockets. The path of their rockets are given (measured in kilometers) by h = -0.5d(2d - 500,000). h represents height, and d represents horizontal distance.
a) What is the horizontal distance that the rockets travels?
b) What is the maximum height the rocket flies?
Click here to see answer by ikleyn(52778) |
Question 1195736: Debbie pays $0.15 per text and $0.08 per minute of voice calls on her cell phone. She budgets $25 per month for her cell phone bill.
Attach a graph showing the relationship between the number of text messages and voice minutes she can use for $25.
Click here to see answer by Theo(13342) |
Question 1195608: The function
V(t)=32500(0.92)t
represents the value (in dollars) of a car
t years after its purchase. Use this function to complete the statements below.
The value of this car is __ at a rate of___ Select an answer
The purchase price of the car was___ Select an answer
.
Click here to see answer by Boreal(15235)  |
Question 1195735: Jacob has $45 to buy muffins and doughnuts at the school bake sale. Muffins are $0.75 each and doughnuts are $0.25 cents each.
a. What is the maximum number of muffins Jacob can buy?
b. What is the maximum number of doughnuts Jacob can buy?
c. Write an equation that models Jacob's options (assuming he spends all $45)
d. Graph the possible combinations of doughnuts and muffins Jacob can buy for $45.
Click here to see answer by ikleyn(52778) |
Question 1195785: A satellite is orbiting Earth on a path described by x2+y2=45 000 000. A second satellite is in the same plane and is occupying the point (12 504, 16 050). Determine if the orbit is narrower, the same, or wider than the first satellite's.
Click here to see answer by ikleyn(52778) |
Question 1195780: Tiffany has $500 to spend on a dinner. She can spend $25 per person on seafood entrees or she can spend $15 on beef entrees.
a. What is the maximum number of beef entrees she can buy?
b. What is the maximum number of seafood entrees she can buy?
c. Write an equation that models her options (assuming she spends all $500)
d. Graph the possible combinations of entrees she can buy for $500.
Click here to see answer by josgarithmetic(39617) |
Question 1195781: Debbie pays $0.55 per text and $1.25 per mb of data while roaming. She figures she can spend $25 per month on roaming.
Attach a graph showing the relationship between the number of texts and data she can use for $25.
Click here to see answer by Theo(13342) |
Question 1195792: You have seven bags of gold coins. Each bag has the same number of gold coins. One day, you find a bag of 53 coins. You decide to redistribute the number of coins you have so that all eight bags you hold have the same number of coins. You successfully manage to redistribute all the coins, and you also note that you have more than 200 coins. What is the smallest number of coins you could have had before finding the bag of 53 coins
Click here to see answer by ikleyn(52778) |
Question 1195792: You have seven bags of gold coins. Each bag has the same number of gold coins. One day, you find a bag of 53 coins. You decide to redistribute the number of coins you have so that all eight bags you hold have the same number of coins. You successfully manage to redistribute all the coins, and you also note that you have more than 200 coins. What is the smallest number of coins you could have had before finding the bag of 53 coins
Click here to see answer by greenestamps(13200) |
Question 1195636: Let S = {1,2,3,...,18,19,20} be the universal set.
Let sets A and B be subsets of S, where:
Set A={2,3,4,6,9,10,16,17}
Set B={2,3,4,8,9,214,15,16,18,20}
LIST the elements in Set A and Set B: {
}
LIST the elements in Set A or Set B: {
}
Enter the elements as a list, separated by commas. If the result is the empty set, enter DNE
You may want to draw a Venn Diagram to help answer this question
Click here to see answer by MathLover1(20849)  |
Question 1195636: Let S = {1,2,3,...,18,19,20} be the universal set.
Let sets A and B be subsets of S, where:
Set A={2,3,4,6,9,10,16,17}
Set B={2,3,4,8,9,214,15,16,18,20}
LIST the elements in Set A and Set B: {
}
LIST the elements in Set A or Set B: {
}
Enter the elements as a list, separated by commas. If the result is the empty set, enter DNE
You may want to draw a Venn Diagram to help answer this question
Click here to see answer by ikleyn(52778) |
Question 1195632: You want to take out a $176,000 mortgage (home loan). The interest rate on the loan is 6.2%, and the loan is for 30 years. Your monthly payments are $1,077.95. How much will still be owed after making payments for 20 years? Round your answer to the nearest dollar.
Click here to see answer by dezbee2008(5)  |
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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, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900
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