Answer:
I think it's D) 3
Step-by-step explanation:
hope I helped
Answer:
(1,-2) edge2020
Step-by-step explanation:
Answer:
3/10
Step-by-step explanation:
2/5 + x = 7/10
x = 7/10 - 2/5
x = 7/10 - 4/10
x = 3/10
First do $70(4). That would equal $280. Then do $280+$40=$320