Answer:

Rate - the rate is the percent

Percentage - the result obtained when a number is multiplied by a percent

Base - the base is the amount you are taking a percent of

For instance, 40% of 60 is 24

40% is the rate

60 is the base

21 is the percentage

GIVEN:

30 is 30% of 100

50% of 500 is 250

98 is 35% of 280

135% of 60 is 81

160 is 80% of 200

RATE

30%

50%

35%

135%

80%

BASE

100

500

280

60

200

PERCENTAGE

30

250

98

81

160