Ratio and Rates
Proportions
Solving Proportions
100
Hiroshi has 4 engines and 18 box cars. Find the ratio of engines to box cars. Write the ratio as a fraction in simplest form.
What is 2/9
100

Is this proportional? PROVE
18 vocabulary words learned in 2 hours;
27 vocabulary words learned in 3 hours

YES - 9:1

100

2/3 = n/21

What is 14

200

A petting zoo has 5 lambs, 11 rabbits, 4 goats, and 4 piglets. Find the ratio of goats to the total number of animals in lowest terms.

What is 1/6 or 1 to 6

200

Is this proportional: PROVE
$15 for 5 pairs of socks;
$25 for 10 pairs of socks

What is No - 3:1 and 5:2

200
2/x = 16/40
What is 5
300

At the potluck, there were 6 pecan pies, 7 lemon pies, 13 cherry pies, and 8 apple pies. Find the ratio of apple pies to the total number of pies

What is 4/17

300

Is this Proportion: PROVE
20 out of 45 students attended the concert;
12 out of 25 students attended the concert

What is No - 4:9 and 12:25

300
80/100 = b/5
What is 4
400

Write as a unit rate : 3 inches of snow in 6 hours

What is 0.5 inch/hour

400

Is this proportional: PROVE
78 correct answers out of 100 test questions;
39 correct answers out of 50 test questions

What is YES 39:50 and 39:50

400
17/y = 102/222
What is 37
500

Write as a unit rate: $46 for 5 toys

What is $9.20 per toy

500

Is this Proportional: PROVE
15 minutes to drive 21 miles;
25 minutes to drive 35 miles

What is YES 5:7 and 5:7

500
7/10 = c/25
What is 17.5