The total cost after tax to repair kimber's cracked phone screen is represented by 0.04(30h) + 30h, where h represents the number of hours it takes to repair kimber's phone. what part of the expression represents the amount of tax she must pay? explain your answer in complete sentences.

we are given

The total cost after tax to repair Kimber's cracked phone screen is represented by 0.04(30h) + 30h

where

h represents the number of hours it takes to repair kimber's phone

so,

we know that

tax will always be some percentage of the entire cost

Here , we have 0.04(30h) ...which means 0.04 of 30h

and 30h is already given

so, 0.04(30h) is 4% of 30h

so, this term must be tax

the expression represents the amount of tax she must pay is 0.04(30h).......Answer