SGO Review Part 2 With Calc

Use one or more properties to rewrite the expression as an equivalent expression that does not use parentheses. (Simplify the expression).

9(x+2)+4x

• 13x+18

• 13x+2

• 4x+9(x+2)

• 15x

What is the solution t the inequality 2x+25>10?

• x < 7.5

• x > -7.5

• x > 7.5

• x < -7.5

You can go 20 miles in 1/4 of an hour. Express this as a unit rate.

• 80 mph

• 24 mph

• 40 mph

• 60 mph

John traveled 120 miles on 8 gallons of gasoline. At this rate, how many gallons of gasoline would he need to travel 210 miles?

• 9

• 16.5

• 14

• 26

Find the sum of the problem above:

• 
• 
• 
• 

Which of the following decimals is equivalent to -3/5?

• 0.6

• -0.6

• -0.35

• -1.67

Write 42/50 as a percent. Round your answer to the nearest hundredth if necessary.

• 84%

• 82%

• 84.25%

• 82.25%

Solve: x - 9 > -7

• x > 2

• x > -15

• x > 15

• x < -2

64 is what percent of 210? Round your answer to the nearest tenth.

• 40.5%

• 30.5%

• 328.1%

• 0.305%

Find the percent of change if the original price of an item was $80 and now the item costs $115. Round your answer to the nearest whole percent if necessary. State whether it is an increase or decrease.

• 44% increase

• 30% increase

• 44% decrease

• 30% decrease