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?

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 =

x = 20

Number of full size cars = =900

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step-by-step explanation:

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c

step-by-step explanation:

it would be see because your formula is f(x)=6x, so 6 times 1 is 6 and you go on and the best answer is c.