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miss Akunina [59]
3 years ago
15

Bob has to pack 192 boxes. This morning, he packed 84 boxes in 312 hours. If Bob continues at the same rate, how long will it ta

ke him to pack the remaining boxes?
Mathematics
2 answers:
kondor19780726 [428]3 years ago
6 0

Answer:

51.69 hours (see explanation)

Step-by-step explanation:

This question is simple once you break it down:

84 boxes in 312 hours is a rate, so it can be shown in fraction form:

84 boxes / 312 hours

Now to figure out how long it takes to unpack those 192 boxes, just multiply:

192 x 84/312

(192 x 84) / 312

16128 / 312

Now, just divide the numbers:

16128 ÷ 312 = 51.69 hours

liubo4ka [24]3 years ago
4 0

Answer:

I don't know if you have ever watched Stranger Things, but this question makes me thing of one of the main characters in season 2: Bob Newbie... Lolz my fave....

anyways, if Bob had to pack 192 boxes but he had already packed 84 boxes in a time of 312 hours... (do you mean 3.12? because there is not 312 hours in a day...) let x be the length of time it takes to pack the remaining boxes. and create a formula like this: 192/84 = 3.12/x

to find x, cross multiply:

192x=84(3.12) = 262.08

Then isolate x

192/x = x

what you do to one side of the equation, do to the other, so divide 262.08/192=1.365

then depending on the situation, round 1.365 by whatever your assignment says to do.

"Easy peasy, right?" -Bob Newbie -Stranger Things 2  Sorry, i just had to do that reference...

So if i was correct on how to solve this, it should have taken Bob 1.365 hours to pack up the remaining boxes.

This is just how I would first think of solving this, but i'm no expert. all i can say is good luck. :)

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