Study guide 7.4 - Amherst Middle School

MATH-7
SOL Review 7.4 - Proportions, Scale, Shadow [Exam ID:59FL8M] Scan Number:9404
1
If 48 apples cost $12, how many apples can be purchased for $3?
A 75
B 24
C 12
D 36
2
If 2 miles is equal to 3,218.7 meters, how many meters are in 5 miles?
F 1,609.35 m
G 8,046.75 m
H 1,287.48 m
J 16,093.5 m
3
Look at the table. If Sarah walked 5 kilometers this weekend, about how many miles did she walk?
A 3.11 miles
C 8.05 miles
B 0.32 mile
D 1.61 miles
4
Melissa reads 55 pages in 2 hours. Which of the following could be used to find about how many pages she reads in 6 hours?
55 = 6 2 G
= 55 55 H
= 2 55 J
= 2 F
2 x x 6 6 x x 6 5
During a fundraiser at Virginia Middle School, the school received $10 for every 3 items sold. If the students sold 300 items, how much money did Virgina Middle School receive?
A $1,000
B $1,080
C $1,296
D $1,944
6
A tree is 12 feet tall and casts a shadow 9 feet long. A building nearby casts a shadow that measures 21 feet. How tall is the building? F
G
H
J
7
24 feet
21 feet
16 feet
28 feet
1 ft long. A man 6 ft tall stands near the 2 tree. What would be the length of the man's shadow to the nearest foot?
A 14 ft
B 16 ft
C 1 ft
D 2 ft
A tree stands 15 ft high. Its shadow is 5 8
Mark makes $10 for working 6 hours. If he wants to make $8 how many hours must he work?
F 0.48 hours
G 48 hours
H 4.8 hours
J 480 hours
9
Mandy runs 4 km in 18 minutes. She plans to run in a 16 km race. Based on her current speed, about how long will it take her to complete the race?
A 65 minutes
B 29 minutes
C 72 minutes
D 81 minutes
10 What value of n makes the following true? -8 72 = 117 n F
G
H
J
-1053
-13
-5
-1.3
11 The scale indicator on a map shows 1 inch = 4.5 miles
2 Simon measured the distance between his hometown and Cincinnati. The distance 3 was 2 inches. What was the distance in miles between the cities?
4 1 miles
4 3 B 12 miles
8 C 24 miles
3 D 24 miles
4 A 7 12 If 4 meters is about 156 inches, which proportion could be used to find how many inches are in 13 meters?
156 in. = 4 m 4 m G
= 156 in. 13 m H
= 156 in. 4 m J
= 156 in. F
13 m x 13 m x 4 m x x 13 m 13 Jenny's recipe called for 2 cups of sugar for 4 dozen cookies. She wanted to make 7 dozen cookies. How much sugar would be needed?
1 cups
2 1 B 1 cups
7 C 14 cups
D 4 cups
A 3 14 The store sells 6 pounds of apples for $6.00. Tina wants to buy 2 pounds of apples. How much would 2 pounds of apples cost?
F $3.00
G $2.00
H $12.00
J $1.00
15 In a random survey, 35 out of 100 people were able to correctly answer the question asked. If 400 people are surveyed, about how many would be expected to answer the question correctly?
A 140
B 260
C 35
D 70
16 On a map, the distance between two cities is 6.4 inches. If the map uses a scale of 2 inches represents 20 miles, what is the actual distance between the two cities in miles?
F 640 miles
G 64 miles
H 128 miles
J 16 miles
17 What value of n makes the following true? 16 10 = n 13 A 208
B 20.8
C 12.3
D 8.125
18 A tree casts a shadow 9 meters long. At the same time, a building 54 meters tall casts a shadow 21 meters long. To the nearest meter, what is the height of the tree?
F 23 m
G 126 m
H 18 m
J 4 m
19 Sandy made 9 free throws out of 12 free-throw attempts in a basketball game. What percentage of the free-throw attempts did Sandy make?
A
B
C
D
33%
57%
25%
75%
20 Patti answered 12 of the 15 questions on her test. What percent of the questions did Patti answer?
F 60%
G 84%
H 80%
J 75%