Ann office building has the same number and size of office units per floor. If there are 21 units on the first 3 floors, then what is the total number of offices in the 10 story building? Question 19 options:

asked Sep 4, 2018 160k views

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The answer is 70. 3/21 equals 10/X. Multiply 21 and 10 which equals 210 then divide by 3 which equals 70.

Cherple answered Sep 8, 2018

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