Multiply "7" by each term inside the parentheses.
7(x-20) = 7x-140
answer: 7x-140
I miss compatible numbers round 2593 too 2,600 then round 6 to ten and your answer is 260 hope this helps:D
Answer:
6 problems per hour
Step-by-step explanation:
Total problems = 24
she completed the first 12 problems in 1 hour
The last 12 in 3 hours.
Total time = 1 hour + 3 hours
= 4 hours
unit rate for all 24 problems = total number of problems / total time taken
= 24 problems / 4 hours
= 6 problems per hour