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Question 297780: A television station plays commercials for 24% of its air time. In 60 minutes, how many minutes of commercials would be expected?
Click here to see answer by user_dude2008(1861)

Question 297962: 12-n, 12, 12+n
What is the average (arithmetic mean) of the 3 quantities in the list above?
Click here to see answer by user_dude2008(1861)

Question 297962: 12-n, 12, 12+n
What is the average (arithmetic mean) of the 3 quantities in the list above?
Click here to see answer by JBarnum(2044)

Question 298140: How many points does a question count for if there are 150 questions on a test.
How many can you miss and still make a 100.
Click here to see answer by edjones(7569)

Question 298422: write an algorithm to find the average score on five quiz and determine if the average is less than 60
Click here to see answer by stanbon(57282)

Question 298427: what is the average of 57 55 52
Click here to see answer by Fombitz(13828)

Question 298878: My exam grade is 82, possible points is 100, average score is 92. There are nine students in the class, what is the highest score and what is the lowest score.
Click here to see answer by richwmiller(9135)

Question 298994: The average of a set of 11 numbers is 11. If two numbers are removed the average of the remaining numbers is 10. What is the sum of the two numbers removed?
Click here to see answer by richwmiller(9135)

Question 299339: 2. At a certain high school, the respective weights for the following subjects are:
Mathematics 3, English 3, History 2, Science 2 and Art 1.
What is a student's average whose marks were the following: Geometry 89, American Literature 92, American History 94, Biology 81, and Sculpture 85?
Click here to see answer by ankor@dixie-net.com(15645)

Question 299585: If i have an 86% in a class, what do i need on the final to keep a B.
Click here to see answer by Alan3354(30993)

Question 299686: what is the average speed (km/h) if I travelled 42 kms in 2hrs?

Click here to see answer by mananth(12270)

Question 299985: I DONT UNDERSTAND INVERSE VARIATION

Click here to see answer by Alan3354(30993)

Question 299990: A person biking uphill travels 15 miles in 1hour.
The same person biking downhill travels 15 miles
in hour. Find this person's average speed.
thank you for your help!!!!
Click here to see answer by JBarnum(2044)

Question 300750: ten years ago a man was as old as his wife is now. The man is now twice as old as his wife was then. How old are they both now?
Click here to see answer by mananth(12270)

Question 300788: If a motorcycle driver travels 40 miles at m miles per hour and then 50 miles at m + 10 miles per hour, find the average speed.
Click here to see answer by Fombitz(13828)

Question 300721: Suppose that the mean score of a class of 28 students was 75. The 17 male students in the class had a mean score of 68. What was the mean score for the 11 female students?
Click here to see answer by ankor@dixie-net.com(15645)

Question 301922: If the average of x and y is 3, what is the average of x, y and 6?
Click here to see answer by london maths tutor(243)

Question 302065: 60% of the players of a team score 5 points each during a basketball game, 30% of players score 1 point each, and 10% score 7 points each. What is the average number of points scored by the players of the team?
Click here to see answer by checkley77(12569)

Question 302800: 2 persons start @ the same time & travel toward each other, one @ 3mph and the other @ 4.5mph. When they meet, one has traveled 30 miles farther than the
other. How far apart were they when they started?
Click here to see answer by solver91311(16872)

Question 303168: what is 82% out of 35%
Click here to see answer by CharlesG2(828)

Question 303240: If 75 is passing and there was 87 problems; up to how many could I get wrong?
Click here to see answer by Fombitz(13828)

Question 303887: if i have a 88, 97, 90, and 95 what is my average grade
Click here to see answer by london maths tutor(243)

Question 304235: which of the following correctly identifies 4 consecutive odd integers where the sum of the middle two integers is equal to 24?
Click here to see answer by Stitch(352)

Question 304235: which of the following correctly identifies 4 consecutive odd integers where the sum of the middle two integers is equal to 24?
Click here to see answer by Alan3354(30993)

Question 304707: the measure of the second angle of a triangle is seven more than twice the measure of the first. the third angle is fifteen less than the first. find the meausres of all of the angles.
Click here to see answer by mananth(12270)

Question 305285: How many ounces of water should be evaporated from 90 ounces of a 10% salt solution in order to make a 15% salt solution
Click here to see answer by nerdybill(6951)

Question 305285: How many ounces of water should be evaporated from 90 ounces of a 10% salt solution in order to make a 15% salt solution
Click here to see answer by josmiceli(9664)

Question 305287: Anas teacher has asked her too add acid to 8 gallons of a 32% acid in water solution to get a solution which is 69 and 7/9 ( sixty nine and seventh ninths percent) acid. How much pure acid should she add
Click here to see answer by Fombitz(13828)

Question 305553: please help, the average of 3 numbers is 20, what is the sum of the 3 numbers? thank you alicia
Click here to see answer by solver91311(16872)

Question 306207: The average of four numbers is 24. if the largest number is left out , the average is 20. . if the smallest is left out , the average is 30. what is the average of the middle two numbers ?
a 25 b 26 c 27 d 28 e none of these

Click here to see answer by Fombitz(13828)

Question 306396: 1) 10% of wht is 5? I know it's 50 but why how do I get my answer? 2) change 18% to a fraction in lowest terms my book says 9/50 but I got 4 1/6 a mixed number is that wrong?
Click here to see answer by Fombitz(13828)

Question 306601: If I have a 78% in a class and just recieved a 100% on an assignment, what is my new average grade in the class?
Click here to see answer by cygnewhite8(4)

Question 306689: The average age of five boys is 15 years. A six boys joins them, making the average age 15 years and 6 months. What is the age of this sixth boy ?
A 15 B 16 C 18 D 17 E 14

Click here to see answer by stanbon(57282)

Question 307089: after taking 7 quizzes, your average is 78 out of 100. what must your average score be on the next five quizzes to increase your average to 83?

Click here to see answer by ankor@dixie-net.com(15645)

Question 307093: Some courses contribute more towards an overall GPA than other courses. For example, a science class is worth 4 points, mathematics is worth 3 points, History is worth 2 points, and English is worth 3 points. The values of the grade letters are as follows, A= 4, B= 3, C= 2, D= 1, F= 0. What is the GPA of a student who made a "C" in Trigonometry, a "B" in American History, an "A" in Botany, and a "B" in Microbiology?
Click here to see answer by ankor@dixie-net.com(15645)

Question 307606: I was 36 when Casie was born. I am 48 she is 12.
Question: Write an equation which models how old in years, you will be when you are 3 times as old as Casie. I know the answer but not an equation. I do not know algebra.
Thanks Kathy
Click here to see answer by scott8148(6628)

Question 307749: adam tried to compute the average of is 7 test scores. He mistakenly divided the correct sum of all of his test scores by 6, which yields 84. What is Adam's correct average test score?
Click here to see answer by rfer(12654)

Question 308008: If the mean of seventh values is 35 and six of the values are 36, 48, 69, 48, 32 and 12 find the seventh value.

Click here to see answer by Fombitz(13828)

Question 308052: If the mean of seventh values is 35 and six of the values are 36, 48, 69, 48, 32 and 12 find the seventh value.
Click here to see answer by checkley77(12569)

Question 308052: If the mean of seventh values is 35 and six of the values are 36, 48, 69, 48, 32 and 12 find the seventh value.
Click here to see answer by JBarnum(2044)

Question 308516: if a track is 8 miles long and I drove it in 3 minutes how fast was I driving?
Click here to see answer by Alan3354(30993)

Question 308516: if a track is 8 miles long and I drove it in 3 minutes how fast was I driving?
Click here to see answer by ankor@dixie-net.com(15645)

Question 308650: John has taken 4 tests and has an 85% average. What must he get on the next test to have an average of 87%.
Click here to see answer by stanbon(57282)

Question 308071: If the mean of seventh values is 35 and six of the values are 36, 48, 69, 48, 32 and 12 find the seventh value
Click here to see answer by stanbon(57282)

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