Essential Math Skills for GED

What is 25% of 200?

• 25

• 50

• 75

• 100

Answer explanation

To find 25% of 200, multiply 200 by 0.25. This gives 200 * 0.25 = 50. Therefore, the correct answer is 50.

Tags

CCSS.6.RP.A.3C

If a car travels 300 miles in 5 hours, what is the unit rate in miles per hour?

• 50 mph

• 55 mph

• 60 mph

• 65 mph

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A store is having a 15% off sale. If an item originally costs $80, what is the sale price?

• $64

• $68

• $70

• $72

Answer explanation

To find the sale price, calculate 15% of $80, $80x0.15, which is $12. Subtract this from the original price: $80 - $12 = $68. Therefore, the sale price is $68.

Tags

CCSS.6.RP.A.3C

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 0.8

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

Tags

CCSS.5.NF.B.6

Convert 0.75 to a fraction.

If 12 is 30% of a number, what is the number?

• 36

• 40

• 42

• 45

Answer explanation

To find the number, set up the equation: 0.30 * x = 12. Solving for x gives x = 12 / 0.30 = 40. Thus, the number is 40.

Tags

CCSS.6.RP.A.3C