Tammy and Jodi assembled 420 circuit boards in 8 hours. The next day they assembled 36 more circuit boards in the same amount of
time. What was their average rate on the second day?
A.
87 boards per hour
B.
70 boards per hour
C.
57 boards per hour
D.
36 boards per hour
1 answer:
Answer:
Option C
Step-by-step explanation:
1st day
8 hours = 420 circuits
2nd day
8 hours = 420 + 36
= 456 circuits
Average = 456/8
= 57 circuits per hour
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