Question

Help

simply. this math problem

Answer 1

−42/10+131/10=−42/10+131/10=−42+131/10=8910(Decimal: 8.9)Answer: A

Answer 2

- 4 1/5 = -21/5 = -42/10

-13 1/10 = -131/10

-42/10 - -131/10=

-42/10 + 131/10 = 89/10 = 8 9/10

answer is A