the percent proportion. to solve a proportion, multiply the numbers that are diagonal, divide by the...

9
The Percent Proportion

Upload: robert-todd

Post on 21-Jan-2016

214 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: The Percent Proportion. To solve a proportion, multiply the numbers that are diagonal, divide by the one that’s left

The Percent Proportion

Page 2: The Percent Proportion. To solve a proportion, multiply the numbers that are diagonal, divide by the one that’s left

The Percent Proportion

100

%

total

parts

To solve a proportion, multiply the numbers that arediagonal, divide by the one that’s left.

Page 3: The Percent Proportion. To solve a proportion, multiply the numbers that are diagonal, divide by the one that’s left

Clues for # placement

#% goes over the 100 Of # goes on the bottom across

from 100 # is goes on the top diagonal from

the 100

100

#%

#

#

of

is

Page 4: The Percent Proportion. To solve a proportion, multiply the numbers that are diagonal, divide by the one that’s left

Example 1

Find 25% of 66

25 • 66 100 = 16.5

100

25

66

p

Page 5: The Percent Proportion. To solve a proportion, multiply the numbers that are diagonal, divide by the one that’s left

Example 2

16 is what percent of 48?

16 • 100 48 = 33.3%

10048

16 r

Page 6: The Percent Proportion. To solve a proportion, multiply the numbers that are diagonal, divide by the one that’s left

Example 3

5 is 26% of what number?

5 • 100 26 = 19.23

100

265t

Page 7: The Percent Proportion. To solve a proportion, multiply the numbers that are diagonal, divide by the one that’s left

Example 4

60 is 15% of what number?

60 • 100 15 = 400

100

1560

t

Page 8: The Percent Proportion. To solve a proportion, multiply the numbers that are diagonal, divide by the one that’s left

Example 5

Find 13% of 80.

13 • 80 100 = 10.4

100

13

80

p

Page 9: The Percent Proportion. To solve a proportion, multiply the numbers that are diagonal, divide by the one that’s left

Example 6

9 is what percent of 15?

9 • 100 15 = 60%

10015

9 r