awsome1234567 awsome1234567
  • 01-03-2017
  • Mathematics
contestada

John can eat 10 hot dogs in 4 mins. At this rate, how many hot dogs can he eat in 18 mins?

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Аноним Аноним
  • 01-03-2017
he eats 7 and a half in 18 minutes
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RM15 RM15
  • 02-03-2017
It deals with proportions. You put hotdogs over minutes.
Like 10 hotdogs over 4 minutes because that's how long it took to eat those hotdogs.
Then put 18 minutes on the bottom of the next fraction.
Then you cross multiply.
10 x 18 which equals 180.
Then you divide. 180/4
Which equals 45 hotdogs.
He ate 45 hotdogs in 18 minutes.
10 hotdogs in 4 minutes
45 hotdogs in 18 minutes.

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