Question

Rose has a rectangular patio that is 8 tiles long and 5 tiles wide. She is changing the dimensions to 10 tiles long by 9 tiles wide. Draw a picture to determine how many new tiles Rose will add to her patio.
A. 6
B. 8
C. 50
D. 90

Answer 1

90 because 9 x 10 = 90 but first it was 8 x 5= 40

Answer 2

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