Factor out the coefficient of the variable 1/4d-3/4

Step-by-step explanation:

3/4 can be written as 1/4 times 3

To factor the given expression , we factor out common factor for both terms

common factor is 1/4

Factor out 1/4 from the given expression

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x is the total time in minutes for the free response

you are given number of questions as 15 - m and time per item as 8 minutes

to find x multiply the two givens together:

x = 8 * (15-m) = 8(15-m)