Question
Last month a store sold 7 times as many CDs as tapes. If the total quantity of these two items sold was 688, how many tapes did the store sell?
Do not enter units.
Do not enter units.
Answers
oobleck
if there were t tapes, then there were 7t CD's
So, now just solve for t:
t + 7t = 688
So, now just solve for t:
t + 7t = 688