Answer:
3(7a - 9)
Step-by-step explanation:
21a–27
3*7*a - 3*9
Factor out 3
3(7a - 9)
6:40pm Just add the minutes together to get 70 minutes that’s an hour and ten minutes then you get your answer
Answer:
10 problems
Step-by-step explanation:
This is the answer because:
1) We have to solve for what 20% of 50 is since she finished 20% of her test:
20% of 50 = 10
×
=
= 10
Therefore, the answer is 10 problems.
Hope this helps! :D