You do the sum(40) subtracted by 8, the answer from that divided by 2 since Erin's two times younger.
40-8=32
32÷2=16
Then if you want to check it you do the opposite and get the same sum(40) so 16×2=32 and 32+8=40
Answer:
Your answer would be D. 9.5.
Step-by-step explanation:
Edge 2020
Answer:
1.2
Step-by-step explanation:
Did the Math, hope I helped.
