2 answers:
Answer: A) 84.5 kg
B) 76.26 cm
C) $402.50
D) $390.00
<u>Step-by-step explanation:</u>
Increase means "ADD the rate to 1".
Decrease means " SUBTRACT the rate from 1".
The rate should should be in decimal form (move the decimal two places to the left to convert a % to a decimal).
A) 65(1 + 0.30)
= 65(1.3)
= 84.5
B) 82(1 - 0.07)
= 82(0.93)
= 76.26
C) 350(1 + 0.15)
= 350(1.15)
= 402.5
D) 500(1 - 0.22)
= 500(0.78)
= 390
A.84.5
B.76.26
C.402.5
D.390
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