I'm gonna say A. It makes the most sense to me.
Yes they are equivalent. You get -3 when you try solving the actual equation.
Answer: 8
Step-by-step explanation: hope this helps
Step-by-step explanation:
answer is B
use unitary method to solve it
45/60= .75 miles each minute
45x2= 90 miles in 2 hours
.75×20=15 miles in 20 min
90+15=105 miles in 2 hours n 20 min