Answer:
a=4 B i think is =20 c im not sure
Step-by-step explanation:
Answer:
7 paperbacks, 2 hardcovers
Step-by-step explanation:
2x8=16
7x5=35
35+16=51
Hope this answers your question.
Answer:
3.5
Step-by-step explanation:
70 percent of 20 is 16.5 so if 16.5 - 20 is 3.5 then that's the answer
First you take the 20 hours it took for the 3 service calls... 20/3=6.67. Then you multiply 6.67X7.5=50.025 hours.