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johncruzguerrero70
15.12.2019 •
Mathematics
There are 2820 cars in farmington. the ratio of medium size cars to compacts is 7 to 5 and the ratio of compacts to full-size cars is 8 to 9.how many full-size cars are there?
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Ответ:
Number of full size cars = 900
Step-by-step explanation:
The ratio of medium size cars to compacts is 7 to 5 and the ratio of compacts to full-size cars is 8 to 9. Since compact cars are there in both ratios , we need to make the number in the ratio for compact cars to be the same.
Multiply by 8 on numerator and denominator
Multiply numerator and denominator by 5.
Ratio of medium, compact and full size are in ratio 56,40,45.
Total number of cars =2820.
(56 + 40 + 45)x = 2820
x =![\frac{2820}{141}](/tpl/images/0419/1977/46e46.png)
x = 20
Number of full size cars =
=900
Ответ:
The answer is C. Hope this helps.
Step-by-step explanation: