question:
yolanda has finished 45% of the homework problems she was assigned. so far she has finished 27 problems.
a. write 45% as a rate per 100 and then reduce the fraction to lowest terms.
b. how many problems was yolanda assigned? justify your answer.
c. how many problems does yolanda still have to do? show your work.

Liam's parents are driving three times as fast as liam is biking, but they left later than he did. if his parents caught up with him two hours after he left, how much later than liam did they leave?

Danielle has $127.02 in her account before making any transactions. over the course of a week, danielle makes the following transactions: transaction debit ($) credit ($) birthday check 75.00 night out 66.14 garage sale proceeds 121.58 charitable donation 42.25 doctor’s appointment 115.30 at the end of the week, how much money is in danielle’s account? a. $99.91 b. $27.11 c. $184.41 d. $142.16 select the best answer from the choices provided a b c d

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10