Answer:
Lisa's new area will be 3600 ft ^ 2
It will be 9 times the original
Dan should increase the length by 5 times
Step-by-step explanation:
Original length = 40
New length = 40 x 3 = 120
Original length = 10
New length = 10 x 3 = 30
120 x 30 = 3600 ft^2
3600/400 = 9
It will be 9 times larger
For Dan:
ex:
length = 1
width = 2
Area = 2
He wants it to be 20 times 2
Lisa says increase 4 times
2 x 4 = 8
2 x 20 = 40
40/8 = 5
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-Chetan K
