Each situation described next involves a multiplication problem. In each case te

Question

Each situation described next involves a multiplication problem. In each case tell whether the problem situation is best represented by the repeated-addition approach e rectangular array approach, or the Cartesian product approach, and why. Then write an appropriate equation to fit the situation. a. A rectangular room has square tiles on the floor. Along one wall, Kurt counts 15 tiles and along an adjacent wall he counts 12 tiles. How many tiles cover the floor of the room? b. Jack has three pairs of athletic shorts and eight different T-shirts. How many different combinations of shorts and T-shirts could he wear to play basketball?

Explanation / Answer

14

a. So, the length of the room is 15 tiles and the breadth = 12 tiles

So, The number of tiles required to cover the floor

= 12*15

= 180 tiles

b. No. of diff combos of shorts and tshorts Jack can wear

= no. of shorts * no of tshirts he has

= 3*8

= 24 combinations

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