I think you have to divide
Answer:
6
Step-by-step explanation:
I think so 6 because I think so
speed is 45 miles per hour. 135/45=3, so the answer is 3hours (A)
Answer: 2((x+y)-21)
Calculation/Explanation:
Twice the sum of x and y decreased by 21 means that you must add x and y first before decreasing by 21. The last step is to double the whole equation that we just performed.
