Question

if 5 boys take 7 hours to pack 65 cartoons, then how many boys can pack 65 cartoon in 3 hours ?

Answer 1

HI

First calculate how many boxes 1 boy packs in 1 hour.

First calculate how many boxes 1 boy packs in 1 hour.35 cartons are packed in 7 hours, so 35 divided by 7 gives you how many boxes will be done by 5 boys in 1 hour:

First calculate how many boxes 1 boy packs in 1 hour.35 cartons are packed in 7 hours, so 35 divided by 7 gives you how many boxes will be done by 5 boys in 1 hour:35 /7=5 [all the boys together pack 5 boxes in 1 hour]

First calculate how many boxes 1 boy packs in 1 hour.35 cartons are packed in 7 hours, so 35 divided by 7 gives you how many boxes will be done by 5 boys in 1 hour:35 /7=5 [all the boys together pack 5 boxes in 1 hour]Now divide this number by number of boys to get the number of cartons packed by 1 boy in 1 hour:

First calculate how many boxes 1 boy packs in 1 hour.35 cartons are packed in 7 hours, so 35 divided by 7 gives you how many boxes will be done by 5 boys in 1 hour:35 /7=5 [all the boys together pack 5 boxes in 1 hour]Now divide this number by number of boys to get the number of cartons packed by 1 boy in 1 hour:5/5=1 [one boy packs 1 box in 1 hour]

First calculate how many boxes 1 boy packs in 1 hour.35 cartons are packed in 7 hours, so 35 divided by 7 gives you how many boxes will be done by 5 boys in 1 hour:35 /7=5 [all the boys together pack 5 boxes in 1 hour]Now divide this number by number of boys to get the number of cartons packed by 1 boy in 1 hour:5/5=1 [one boy packs 1 box in 1 hour]Now you should be able to calculate the answer. Divide 45 cartons by 3 hours, that’s 15. 15 cartons should be packed in an hour if you want to have 45 boxes packed in 3 hours. And if 1 boy packs 1 cartons per hour, you already know how many of them do you need to pack 15 cartons per hour :)

hope this help you

Answer 2

Answer:

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Step-by-step explanation:

5 boys take 7 hours to pack 35 cartoons 5 boys × 7.  to pack 1 cartoon ,

1 boy hour is needed To pack 65 cartoons , 65 boys hours are needed .

We have 3 hour .

So , boys needed = 65 boys hours 3 hous = 21 .