I believe it is A. Hope this helps!!
Answer:
x+19
Step-by-step explanation:
3x+12 - 2x+7 = x+19
Pretty sure it’s the first answer
Answer:
3.6 mph
Step-by-step explanation:
The total distance was 6 mi. and the total time was 5/3 hr.
6 ÷ 5/3 = 6(3/5) = 18/5 = 3.6 mph