Question

The teacher salary was increased by 12% this year. Their new salary was $1.12s where is represents their salary in dollars before the increase which expression represents the teachers new salary in dollars?

Answers:
1.12s +. 0.12s
1.12s +. 12s
s + 0.12s
s + 12s

Answer 1

The correct expression is,

s + 0.12s

Explanation:

The new salary was,

New salary = 1.12s

This can also be written as,

new salary = 1.12s = s + 0.12s