It takes 54 minutes for 4 people to paint 6 walls. how many minuets does it take 6 people to paint 7 walls?

It takes 42 minutes for 6 people to paint 7 walls

Solution:

It takes 54 minutes for 4 people to paint 6 walls

To find: Minutes required for 6 people to paint 7 walls

If men can do work in days working hours per day and men can do work in days working hours per day, then

M = Number of men

D = Number of days

H = Number of hours per day

W = Amount of work

Here in this sum,

54 minutes for 4 people to paint 6 walls

Minutes required for 6 people to paint 7 walls

Substituting the values in formula, we get

Thus it takes 42 minutes for 6 people to paint 7 walls

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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$450 is the answer.

step-by-step explanation:

30% of 450 = 135

450-135=315