Download Unit 2 – Homework Name due: ______ Period ______ RATIOS

Unit 2 – Homework
Name ____________________________
due: ________
Period ________
RATIOS
Write each ratio in three different ways.
1) Titans wins to Titans losses. ___________________________________________________
2) Orioles losses to Orioles wins __________________________________________________
3) Total Orioles games to Orioles losses ____________________________________________
4) When asked to write a ratio comparing the number of spades to the total number of shapes,
Courtney answered 15 : 9. She then simplified her answer to 5 : 3. Was she correct? Why or
why not? __________________________________________________________________
__________________________________________________________________________
PROPORTIONS
Are the two ratios proportional? Justify your reasoning.
5)
3 6
,
5 10
6)
7 8
,
8 9
_________________________________
_________________________________
_________________________________
_________________________________
Solve each proportion.
7)
4
u
=
36
9
8)
8
20
=
10
y
9)
x
3
=
28
4
RATE
Find the unit rate.
10) 300 miles travelled on 12 gallons. How many miles per gallon?
11) The cost of 17 tickets is $306. How much for one ticket?
12) Three pounds of meat costs $7.77. How much for 1 pound?
13) In 6 hours, there was 10 inches of snow. How many inches of snow fell per hour?
14) Jane travelled 5 kilometers in 8 minutes. How many kilometers per minute?
Tape Diagrams, Tables, Double number line diagrams
15) In a parking lot, there are 3 white cars for every 2 red cars. How many white cars are in the
parking lot, if there is a total of 20 cars in the lot? Use a tape diagram to solve the problem.
white cars:
red cars:
16) Carlton had $72. Then he spent ¼ of his money on books and 3/8 of his money on sports
equipment. How much money did Carlton have left? Draw a tape diagram to solve the problem.
17) Britney does sit-ups every day. The table shows how long it takes her to do different
numbers of sit-ups.
How long does it take Britney to do 40 sit-ups?
18) Complete the ratio table.
9
18
27
8
16
24
45
32
40
19) A train travels 200 miles in 4 hours. How many miles does it travel in 1 hour? (Use the
double number line diagram provided.)
Distance
Time
0 miles
200 miles
______________________________________________________
______________________________________________________
0 hours
1 hour
2 hours
3 hours
4 hours
20) How long does it take the train in problem 18 to travel 300 miles? (Extend the double
number line diagram above.)