.Jenny is wrapping a present for her friend's birthday party. The box is 4 in. by 5 in. by 7 in. How much wrapping paper will Jenny need to wrap the present? Enter your answer in the box.

Jenny need 166 square inches of wrapping paper to wrap the present.

Solution:

Length of the box = 4 in

Breadth of the box = 5 in

Height of the box = 7 in

Surface area of the box = 2(lb + bh + lh)

                                        = 2( 4 × 5 + 5 × 7 + 4 × 7)

                                        = 2(20 + 35 + 28)

                                        = 2(83)

Surface area of the box = 166 in²

Hence Jenny need 166 square inches of wrapping paper to wrap the present.