Question

The difference of a number and ninety when a=102

Answer 1

Answer:

It should be 12, assuming that a is a variable.

Step-by-step explanation:

a = 102

a - 90 = ?

102 - 90 = 12

Hope this helps.

Answer 2

Answer:

Write the expression as a – 90.

Substitute 102 in for the variable, a.

Simplify by subtracting 90 from 102

The answer is 12.

Step-by-step explanation:

I've took this lesson already

Hope It helps