SOLUTION: Perform the indicated operations and word problems:
3. Gym Lockers are to be numbered from 1 to 99 using metal numbers to be placed on each locker. How many 7s are needed?
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Question 763661: Perform the indicated operations and word problems:
3. Gym Lockers are to be numbered from 1 to 99 using metal numbers to be placed on each locker. How many 7s are needed?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
7,17,27,...,67, altogether 7
70,71,...,77,...,79, altogether 11
87,97, altogether 2
7 + 11 + 2 = 20
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
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