Similar Shapes
Scale Figures
Unit Rate
Percentages
Sales Tax
100
The diagram shows a door that has a window in it. The front faces of the door and the window are similar rectangles that have the dimensions shown. What is h, the height of the window in centimeters?
150 cm
100
An engineer created a scale drawing of a building using a scale in which 3 inches represents 21 feet. The length of the actual building is 189 feet. What is the length of the building in the scale model?
27 inches
100
Tareq pays $22.10 for 2.6 pounds of salmon. What is the price per pound of the salmon?
$8.50
100
Kaylee uploaded 20 images to her computer. This took up 60 mb of space. If each picture takes up the same amount of space, how much space would be taken up by 160 images?
480 mb of space
100
The price of a computer is $899.00. The sales tax rate is 7%. What is the sales tax on this computer in dollars and cents?
$62.93
200
Triangle RST is similar to triangle RVW. What is the value of d in millimeters?
12 mm
200
Daniela drew a map of the Panama Canal. In the scale Daniela used for the map, 4 centimeters represents 20 kilometers. The actual length of the Panama Canal is 82 kilometers. What is the length in centimeters of the Panama Canal on Daniela's map?
16.4 centimeters
200
A shopper pays $3.95 for 5 pounds of potatoes. What is the price per pound for potatoes?
0.79 cents per pound
200
After months of success, the price of a video game went from $50 to $75. By what percentage was the price of the video game increased?
50%
200
The price of a DVD is $24.00 plus 8% sales tax. What is the sales tax on this DVD in dollars and cents?
$1.92
300
Pentagon FGHJK is similar to pentagon MPQST. What is the value of x?
13.5
300
A student made a model of the Junior High using a scale in which 1 inch represents 12 feet. The actual height of the junior high is 480 feet. Which measurement is closest to the height of the model in inches?
40 inches
300
Coach Cooper drove 520 miles in 8 hours. How many miles did she drive per hour?
65 miles per hour
300
2% of the students at Smithville Junior High have red hair. There are 500 students at the school. How many students have red hair?
10 students have red hair
300
A doctor has an annual income of $152,125. The income tax the doctor has to pay is 6%. What is the amount of income tax in dollars and cents that the doctor has to pay?
$9,127
400
Triangle ABC is similar to triangle FGH. What is the value of x in centimeters?
22.5 cm
400
John made a scale model of the San Jacinto Monument. The monument has an actual height of 604 feet. John's model used a scale in which 1 inch represents 100 feet. What is the height in inches of John's model?
6.04 inches
400
Hector paid $105 for 6 tickets to a hockey game. Each ticket cost the same amount. What was the cost of each ticket in dollars and cents?
$17.50 per ticket
400
The price of a jacket was reduced from $25 to $15. By what percentage was the price of the jacket reduced?
40%
400
A refrigerator is priced at $525.50. There is a 6% sales tax rate. What is the sales tax for the refrigerator in dollars and cents?
$31.53
500
Triangle QRS and its dimensions are shown. Which measurements in centimeters represent the dimensions of a triangle that is similar to triangle QRS?
A. 8cm, 14cm, 17cm
B. 10cm, 20cm, 25cm
C. 4cm, 10cm, 13cm
D. 12cm, 24cm, 36cm
B
500
In the scale used on a blueprint, 1/4 inch represents 2 feet. On the blueprint what is the length of a room with an actual length of 20 feet?
2 1/2 inches
500
A worker uses 450 inches of steel wire to make 300 springs of the same size. At this rate how many inches of steel wire are needed to make 1 spring?
1 1/2
500
There are 25 students in Mrs. Brian's class. In the class poll about ice cream, 4 people chose chocolate, 12 people chose vanilla, and 9 people chose strawberry. What percentage of the class chose strawberry ice cream?
36% chose strawberry
500
Cassie wants to buy a pair of shoes for $26.50 and a shirt for $9.50. If the sales tax rate is 8.25%, what will be the amount of sales tax on Cassie's purchase?
A $2.89
B $2.97
C $3.06
D $3.13
B $2.97