Carlolagareid
Answered

The ratio of chairs to table is 2:7. There are 180 chairs and tables. How many are tables??

Sagot :

It's about partitive proportion..
2 + 7 = 9
180 ÷ 9 = 20
20 (2) = 40
20 (7) = 140
140 + 40 = 180


2 : 7 = 40 : 140

Therefore, the answer to your question is 140.

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