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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…

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…
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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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User Hybridcattt
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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.
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User Cherple
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