Answer:

formula of finding the percentage:

base × rate

1. What is 55% of 90?

base = 90

rate = 55%

(55% in decimal form is 0.55)

90 × 0.55 = 49.5

PERCENTAGE = 49.5

2. What number is 23% of 145?

base = 145

rate = 23%

(the decimal form of 23% is 0.23)

145 × 0.23 = 33.35

PERCENTAGE = 33.35

3. What number is 16% of 225?

base = 225

rate = 16%

(the decimal form of 16% is 0.16)

225 × 0.16 = 36

PERCENTAGE = 36

4. What is 85% of 350?

base = 350

rate = 85%

(the decimal form of 85% is 0.85)

350 × 0.85 = 297.5

PERCENTAGE = 297.5

5. What is 30% of 500?

base = 500

rate = 30%

(decimal form of 30% is 0.30)

500 × 0.30 = 150

PERCENTAGE = 150

6. 24% of 650 is what number?

base = 650

rate = 24%

(decimal for of 24% is 0.24)

650 × 0.24 = 156

PERCENTAGE = 156

7. 13% of 700 is what number?

base = 700

rate = 13%

(decimal form of 13% is 0.13)

700 × 0.13 = 91

PERCENTAGE = 91

8. 35% of 2500 is what number?

base = 2500

rate = 35%

(decimal form of 35% is 0.35)

2500 × 0.35 = 875

PERCENTAGE = 875

9. 30% of PhP1500 is how much?

base = 1500

rate = 30%

(decimal form of 30% is 0.30)

1500 × 0.30 = 450

PERCENTAGE = 450

10. How much is 70% of PhP5000?

base = 5000

rate = 70%

(decimal form of 70% is 0.70)

5000 × 0.70 = 3500

PERCENTAGE = 3500