Question

Percentage Problem
1. 30% of 27=
2. 1% of 100 =
3. 100% of 13 =
4. 20% of 20 =

Base Problem
1. 45% is 45%of what number number?
2. 20% is 10%
3. 2% is 20%
4. 13% is 25%

rate problems
1. What % of 50 is 10?
2. What % of 70 is 7?
3. What % of 30 is 6?
4. What % of 20 is 5?

Answer 1

Answer:

Percentage problem

1. 30% of 27 means

27×30/100 = 8.1

2. 1% of 100 means

100 × 1/100 = 1

3. 1% of 13 means

13 ×100/100 = 13

4. 20% of 20 means

20×20/100 =4

Base problem

1. 45% is 45%of what number number?

100 × 45/100 ×45/100 = 20.25

2. 20% is 10%

100×10/100×20/100=2

3. 2% is 20%

100×20/100×2/100=0.4

4. 13% is 25%

100×25/100×13/100 = 3.25

rate problems

1. What % of 50 is 10?

50 x ? / 100 = 10

50 x X/100 = 100

X = 10/50×100 = 20

2. What % of 70 is 7?

70 x ? / 100 = 7

70 x X/100 = 7

X= 7/70×100 = 10

3. What % of 30 is 6?

30x ? / 100 = 6

30 x X/100 = 60

X = 6/30×100 = 20

4. What % of 20 is 5?

20 x ? / 100 = 5

20 x X/100 = 5

X = 5/20×100 = 25