Ratio, Proportion, Percent, Simple Interest, Fraction Word Problems, Decimals, Scale

Find the missing number in the proportion.
14/x = 7/20

• x = 10

• x = 20

• x = 40

• x = 2

What is 70% of 200?

• 70

• 140

• 210

• 125

90% of the students in Ms. Clark's class are earning an A in her class. If there are 20 students in her class, how many students are earning an A?

• 2 students

• 18 students

• 20 students

• 15 students

Which of these ratios is proportional to 2:3?

• 4:5

• 10:18

• 10:15

• 1:2

There are 40 more blue markers than red markers. The number of blue markers is 6 times the number of red markers. Find the number of blue markers.

• 30

• 36

• 42

• 48

If a shirt costs $50 and is on sale for 20% off, what is the sale price?

• $40

• $30

• $10

• $45

• 1 cup

In a rectangle, the length is 7 times the width. The width is 42 cm shorter than the length. Find the perimeter of that rectangle.

• 343 cm²

• 343 cm

• 112 cm²

• 112 cm

In a rectangle, the length is 7 times the width. The width is 42 cm shorter than the length. Find the area of that rectangle.

• 343 cm²

• 343 cm

• 112 cm²

• 112 cm

A school has 1200 students, and 25% of them are in the band. How many students are in the band?

• 300 students

• 250 students

• 400 students

• 350 students