1)

3)

notice the rate "r"... now, is in decimal format, as you saw on 1) is just r/100 so 1.6% was really 1.6/100 or 0.016 anyhow
to get the percentage form, just multiply it by 100
Answer:
8:1
Step-by-step explanation:
Answer:
89
Step-by-step explanation:
21+13+19+36=89
Answer:
57
Step-by-step explanation:
Since 95% out of 60 points,
(95/100)×60=57