Question

Jack can paint a room in 6 ½ hours and Jill can paint a room in 4 ¾ hours. Jack and Jill can paint the room in A hours and B minutes if they work together. What is the value of B rounded to the nearest whole number? please show all your work.

Answer 1

Convert that into minutes first, then solve.

Answer 2

x/6.5 + x/4.75 = 1

Answer 3

Solve it first. You can convert later

Answer 4

i hate mixed numbers. put 6 and a half hours as 390 minutes, 4 and a half is 285 minutes then your answer is
\[\frac{390\times 285}{390+285}\]
a calculator is next. then turn in to hours and minutes

Answer 5

thanks

Answer 6

but how can i get the value of B

Answer 7

I know B = 47 minutes

Answer 8

Good luck finding the steps

Answer 9

the answer is 45

Answer 10

What?

Answer 11

yes the answer is 45

Answer 12

It's from 8th grade math tournament.I have the answer.It's not from my calculator

Answer 13

Okay, my calculator is broken