Question

Please help me before my math teacher calls me out again

Answer 1

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➷  Work out the original area:

(5 x 18) / 2 = 45cm^2

Increase/decrease the changed values:

18 x 0.7 = 12.6

5 x 1.2 = 6

New area:

(12.6 x 6) / 2 = 37.8cm^2

Calculate percentage change:

((45 - 37.8) / 45) x 100 = 16

16% decrease

✽

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

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