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About 13 out of 20 homes have a personal computer. On a street with 60 homes, how many would you expect to have a personal computer?

Sagot :

This can be solved using a ratio. The ratio is: 13/20=x/60 this would then become 20x= 780  divide both sides by 20 and you get x=39. the answer is 39
LouEarleyidn
It can go in a more simple way.

20 goes into 60 3 times, this 3 being the multiplier.

13 x 3 = 39
_
20 x 3 = 60

39:60 homes on a street with 60 homes have personal computers.
:D
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