Answer:
(1)100
(2)120
(3)80
(4)200
(5)42.85
Explanation:
The answers explanation is:
P=RB, p=percentage
r=rate
b=base,so
P=RB
P/R=RB/R
B=P/R
For example, (1)B=P/R
B=5/5/100
B=5*100/5
B=500/5
B=100 and so on - - -
GOOD LUCK!
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