As a fraction it’s 48 7/10
As a percentage it’s 4870%
Hope that helped!
First you would have to multiply 12 times 5 (60) then multiply 7 times 18 (126) you subtract both [ 126 - 60] = (66) that would be your final answer. They both need to have worked 66 minutes to have the same number of boxes.
Answer:
and 
Step-by-step explanation:
Given

Required
Determine the values of x

Take square root of both sides


Expand 45 as 9 * 5

Split the square root



This can be further split to:
or 
Hence, the possible values of x are
and 