AnnabethChase139
AnnabethChase139 AnnabethChase139
  • 25-05-2017
  • Mathematics
contestada

Please help with 7a and 7b. The picture above is irrelevant to the problem. If possible explain or show your work. Thank you!!!!

Please help with 7a and 7b The picture above is irrelevant to the problem If possible explain or show your work Thank you class=

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tracybarnacle
tracybarnacle tracybarnacle
  • 25-05-2017

If the ratio is 4:3  divide the larger can by 4  which in a)  is  25 then multiply by 3 to get surface area of smaller can which would be 75 square inches. 

In part b) do the same so 150 divided by 4 is 37.5  multiplied by 3  is 112.5 cubic inches.

It doesn't matter if it is surface area or volume you still use the same ratio of 4:3

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