Ratlos involving Complex Fractions
Prerequisites
Study the example problem showing how to find a unit
rate. Then solve problems 1.6.
Example
Six pounds of grapefruit cost $3. What is the cost per pound?
You can use a double number line to help you find rate and
unit rate. Start with the ratio you know: 53 for 6 pounds.
Divide both $3 and 6 pounds by 3 to get $1 for 2 pounds,
Then divide $1 and 2 pounds by 2 to find the cost per
pound, which is $0.50 for 1 pound,
3.00
Price (s)
0
0.50
100
Pounds
0
Notice that you can also divide $3 by 6 to get the cost per
pound directly
In the example, how much would it cost to buy 3, 4, and
5 pounds of grapefruit? Explain how you found your
answers.
for 3 its $1.50 for 4 its 2.00.
fors it will cost $3.so.
2
Leila
Leila uses 5 cups of grated zucchini to make 2 loaves of
zucchini bread. How many cups of zucchini does she
need to make 1 loaf?
Vocabula
rate the ratio tha
compares the firs
quantity to one
the second qual
a ratio of 2 doll
every 5 apples
is dollars pe
unit rate th
part of the
the units. F
2 dollar pe
unit rate :
3
Jenna walks 4 miles in 1 hour. At this rate, how many
miles can she walk in 3.5 hours?
Ratios Inyolving Con
C