JesusisLord316 JesusisLord316

11-04-2017
Mathematics

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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: 7 24 63 70

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aidanvissers aidanvissers

11-04-2017

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

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