Ratios and Proportions

Ratios or Proportions

100

Solve.

x/6=4/12

x=2

200

Solve the protortion.

7/n = 42/48

n=8

300

solve

3/8 x n = 18

n=48

400

If 4lbs of jelly beans cost $6.82, how much would 2lbs cost?

x=3.41

500

You mix 1/4 cup of juice concentrate for every 2 cups of water to make 18 cups of juice. How much juice concentrate and water do you use?

2 cups

Proportions

100

an oil spill is spreading at a rate of 30 square feet per second and you want to know how much it spreads every 1/2 second. Find the answer

15 ft²

200

What value of p makes the equation below true?

6 − 2p = −48

A. −27                              C. 21

B. −21                              D. 27

27

300

What is a Proportion? (definition[letter])

A.a numerical quantity that is not a whole number

B.a part, share, or number considered in comparative relation to a whole

B.a part, share, or number considered in comparative relation to a whole

400

Solve

4 x a + 16=60

11

500

Jacob ran 10 miles in 80 minutes. At the rate how far would he run in 2.5 hours?

X=18.75

Ratios

100

What is this ratio in faction form?

4:5 

4/5

200

Reduce the ratio

16:24

2/3

300

What is a Ratio? (definition[write it out])

A. a part, share, or number considered in comparative relation to a whole

B.The relation between two amounts showing the number of times one value contains within the other

C. a numerical quantity that is not a whole number

B:The relation between two amounts showing the number of times one value contains within the other

400

Find two ratios that are equivalent to 3/5

6/10 and 9/15

500

Find the value of a

a:15=2:5

a=6