Answer:
Step-by-step explanation:
2a-7+15-5a
2a-5a-7+15
-3a+8
2(10)+5 = 25. The answer is A
Answer:
6390 miles?
Step-by-step explanation:
Answer:
7 1/2
Step-by-step explanation:
2 1/2 ÷ 1/3
Change the mixed number to an improper fraction
2 1/2 = (2*2+1)/2 = 5/2
5/2 ÷ 1/3
Copy dot flip
5/2 *3/1 = 15/2
Changing back to a mixed number
2 goes into 15 7 times with 1 left over
7 1/2