Jennifer is wrapping presents. one of the rectangular gift boxes has dimensions 1 in. • 7 in. • 3 in. and the other has dimensions 2 in. • 7 in. • 9 in. how much wrapping paper will she need to wrap both gifts in total? explain; )

Total amount of wrapping required = 252 inch²

Step-by-step explanation:

Dimensions of the 1st box are given by,

Length = 1 inch, Width = 7 inch and Height = 3 inch

As, Surface area of a rectangular box =

So, Surface area of the 1st box =

i.e. Surface area of the 1st box =

i.e. Surface area of the 1st box = 2 × 31 = 62 inch²

Further, we have,

Dimensions of the 2nd box are given by,

Length = 2 inch, Width = 7 inch and Height = 9 inch

So, Surface area of the 2nd box =

i.e. Surface area of the 2nd box =

i.e. Surface area of the 2nd box = 2 × 95 = 190 inch²

Thus, the total amount of wrapping required = 62 + 190 = 252 inch².

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step-by-step explanation: