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On a road the number of cars and the number of lorries are in the ratio 10 : 1 the number of lorries and the number of vans are in the ratio 7:10 There are 50 vans on the road. How many cars are there on the road?

 Feb 23, 2020
 #1
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7 / 10 = T / 50, solve for T

T = 35 trucks (lorries?)

 

Since the ratio of cars to trucks(lorries) = 10: 1, therefore:

There must be:35 x 10 = 350 cars 0n the road.

 Feb 23, 2020
 #2
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On a road the number of cars and the number of lorries are in the ratio 10 : 1 the number of lorries and the number of vans are in the ratio 7:10 There are 50 vans on the road. How many cars are there on the road?

laugh

 Feb 23, 2020
 #3
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+1

10 c / 1 L     x    7 L / 10 v   =  70 c / 10 v   = 7 c / 1 v

 

7 c / 1 v     * 50  = 350 cars 

 Feb 23, 2020

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