Select expansion or contraction for each scale factor.
-0.5
78
43
-1.5 expansion comtraction

-0.5= 2. contraction

7/8= 2. contraction

4/3= 1. Expansion

-1.5= 1. Expansion

Step-by-step explanation:

Expansion means its greater of one or is one

Contraction means its less of a one

step-by-step explanation:

well if he bought them at 5 cedis each sold them at 7 cedis each then he would make a profit of 2 cedis of each book. if in total he made 150 cedis profit that means he sold 75 books. he lost 12 books at the start so that means he originally bought a total of 82 books.

step-by-step explanation: