Cristobal takes 3 hours to wash 5 cars. At this rate, how many cars could he wash in 45 hours
1 answer:
To solve this I would set up a proportion.
3/5=45/x
solve and you will get 15 cars
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The answer is the one that is $42. It is the lowest cost for the amount of flannel you get and the quality.
The y/x values all have the same ratio, 2/5. The line is
y = (2/5)x
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