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Ch.7 Study Guide

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1.
1 point
Write the scale as a ratio for a 8 foot tall model for a 360 foot tall building.
2.
1 point
Estimate.

34.5% of 123
3.
1 point
A Map Scale of 2 inches:30 miles

4 in.________________________

How many miles would that be on the map.
4.
1 point
Write the ratio 80:35 in simplest form.
5.
1 point
12/7=48/x

Find the missing term in this proportion.
6.
1 point
Write 5% as a decimal.
7.
1 point
Write 7% as a fraction in simplest form.
8.
1 point
Estimate. 32.5% of 79
9.
1 point
Find the missing term in this proportion.

25/75=1/Y

Solve for y
10.
1 point
88/97

Write this fraction as a percent. Round to the nearest percent.
11.
1 point
20/6=c/12

Solve this proportion.
12.
1 point
35%

Write this as a fraction in simplest form.
13.
1 point
Find the unknown quantity.

There are 19 players per team. Find the number of players on 8 teams.
14.
1 point
Estimate a 20% tip for a bill amount of $28.56
15.
1 point
24:64

Simplify this ratio into its simplest form.
16.
1 point
There are 11 buttons per phone. Find the number of phones if there are 143
17.
1 point
Estimate a 15% tip for a bill amount of $42.65
18.
1 point
What is 53% of 145
19.
1 point
Solve this proportion.

7/10=35/m
20.
1 point
Yes or No. Does 12/15, 3/7 form a proportion?
21.
1 point
Eight shirts cost $148.50. Find the cost per shirt.
22.
1 point
yes or no.

Does each pair of ratios form a proportion? 7/8 and 3/5
23.
1 point
Write 4/21 as a percent. Round to the nearest percent.
24.
1 point
What is 18% of 46
25.
1 point
Write the ratio 8/48 in simplest form.
26.
1 point
Using a map scale of 2 inches: 20 miles.

What would be the actual distance on a map if you measured
1/2 in._____________
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