2
A ___________ is a comparison between two quantities using a quotient, written: to , , or ex: 2 bananas to 5 strawberries can be written
3
A ___________ is a comparison between two quantities using a quotient, written: to , , or ex: 2 bananas to 5 strawberries can be written
ratio
4
A ___________ is a comparison between two quantities using a quotient, written: to , , or ex: 2 bananas to 5 strawberries can be written
ratio
5
A ___________ is a comparison between two quantities using a quotient, written: to , , or ex: 2 bananas to 5 strawberries can be written
ratio
6
A _______________ says that two ratios are equal.In general, a proportion is true if and only if .(Note: and are called cross products.)
7
A _______________ says that two ratios are equal.In general, a proportion is true if and only if .(Note: and are called cross products.)
proportion
8
A _______________ says that two ratios are equal.In general, a proportion is true if and only if .(Note: and are called cross products.)
proportion
9
A _______________ says that two ratios are equal.In general, a proportion is true if and only if .(Note: and are called cross products.)
proportion
13
Ex 4.Twenty gallons of gasoline costs $77.00. How much would 27 gallons of the same gasoline cost?
16
Recall: To use a percent in a calculation, first move the decimal point two places to the left.
ex: _____ ______ ________ _______
17
Recall: To use a percent in a calculation, first move the decimal point two places to the left.
ex: _____ ______ ________ _______
0.75
18
Recall: To use a percent in a calculation, first move the decimal point two places to the left.
ex: _____ ______ ________ _______
0.750.03
19
Recall: To use a percent in a calculation, first move the decimal point two places to the left.
ex: _____ ______ ________ _______
0.750.03
37.5%
20
Recall: To use a percent in a calculation, first move the decimal point two places to the left.
ex: _____ ______ ________ _______
0.750.03
37.5%263%
24
Ex 8.A calculator with a regular price of is on sale this week at off. Find the amount of the discount and the sale price of the calculator.
25
Ex 9.Abraham scored 36 points on a test, which was 90% of the possible points. How many possible points were on the test?