it takes 47 minutes for 7 people to paint 7 walls. how many minutes does it take 20 people to paint 20 walls?

How to add 3+2-7+4-+w

Convert 75% into simplest and also into decimal

Kudzu is a vine that grows very fast. Ellie measured one Kudzu vine at 18 3/4 feet. One week later, the vine measure 23 7/8 feet long. How many feet did the vine grow in one week? A. 4 1/2 feet B. 4 3/4 feet C. 4 7/8 feet D. 5 1/8 feet

X + 2y = 13 -x + y = 5

On Tuesday, 448 school children took a field trip to the science museum. All of the children rode on buses that held 32 students each. About how many buses were used to transport the children to the science museum?

Suppose that work hours in new zombie are 200 in year 1 and productivity is $18 per hour worked. instructions: in part a, enter your answer as a whole number. in part b, round your answer to 2 decimal places. a. what is new zombie's real gdp

In a certain normal distribution of scores, the mean is 50 and the standard deviation is 6. Find the z-score corresponding to a score of 60 a. - 1.67 b. 10.0 c. 1.67 d. 8.33

Phillip has x marbles. His father gave him 2 times the number of marbles he has. Now he has 21. How many marbles did Phillip have before?

IThe first three terms of a sequence are given. Round to the nearest thousandth (if necessary). 72, 24, 8, ... Find the 8th term.

A cannery processed 735 pounds of strawberries in 3.5 hours. The cannery processed 2100 pounds in 10 hours. a. Write an equation using function notation to model the weight of strawberries s processed in t hours. b.