1

a) 1% of $66

10% of $66= $6.60

So, 1% of 66= $ 0.66

b)

5% of 180

10% of 180=18

So, 5% of 180= 9

c)

20% of $3.20

10% of $3.20= $3.20

So, 20% of $3.20= $0.64

2

To calculate the percent of a number, write the percent as a decimal and then multiply by the number.

3

a) 200% of 4500 is 9000

I divided 200 by 100 and got 2, then multiply 2 by 4500 and got 9000

b) 0.1% of 600 is 0.6

I divided 0.1 by 100 and got 0.001, then multiply 0.001 by 600 and got 0.6

c) 1 1/4% of 80 is 1

I divided 1 1/4 to 100 and got 0.0125, then multiply 0.0125 by 80 and got 1

d) 30% of 70 is 210

I divided 30 by 10 and got 3, then multiply 3 by 70 and got 210

e) 4/5% of 15 is .012

I divided 4/5 by 100 and got 0.008, then multiply 0.008 by 15 and got 0.12

f) 450% of 300 is 1350

I divided 450 by 100 and 4.5, then multiply 4.5 by 300 and got 1350

4

can you guys help on this one

sorry guys its homework page 42-43

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