Practical Problems
Proportions
Tax Tip and Discount
100

LKMS Company stock is $5.54 per share. On Thursday it lost $10.32, then gained $8.72 on Friday. What is the new price per share on Friday? 

$3.94

100

5/x = 4/18

22.5

100

Find 12% of $50.

6

200

An octopus is 32 feet below the surface of the water. It descends twelve and a half feet, then ascends twenty-two feet. What is its new position?

22.5 feet below the surface of the water

200

The scale on a map is: 2 cm. = 3 miles

If Norfolk and Virginia Beach are 4.5 cm. apart on the map, how many many miles are they?

6.75 miles

200

Nike is having a 25% off sale. How much would you save of a $109 pair of shoes?

$27.25

300

Mrs. Strong walked 3.5 miles over the weekend. 

Miss Marino walked twice as much as Mrs. Strong.

Miss Durham walked ten miles. 

How many did they walk altogether?

20.5 miles

300

If 3 apples cost $4.19, how much would 12 apples cost?

$16.76

300

You spend $23.58 at Red Lobster. How much will you tip your server if you leave a 18% tip?

$4.24

400

One batch of cookies calls for 3/4 cup of sugar. If you already made one batch of cookies, how many more batches can you make with 6 cups of sugar?

7 batches

400

Use the ratio table to find the amount of teachers needed for 276 students?

Teachers:  2         4         6
__________________________

Students: 46        92        138

12 teachers

400

What is the total cost of a $850 TV with a 6% sales tax?

$901

500

The temperature in Chicago is -8 degrees, while the temperature in Miami is 75 degrees. What is the difference in temperatures?

83 degrees

500
To make green paint you need 2 1/2 parts yellow to 3 parts blue. How much blue paint do you need for 17.5 parts yellow paint?

21 parts blue paint

500

A used Apple watch costs $104.48. If it is on sale for 15% off, how much will you pay for the watch?

$88.81