7.RP.A.3

Which proportional relationship properly represents the scenario below?

Anthony rode his bicycle 45 miles in 5 hours. At that rate, how long would he have to ride to go 108 miles?

• $\frac{5}{45}=\frac{108}{x}$

• $\frac{45}{5}=\frac{108}{x}$

• $\frac{x}{108}=\frac{45}{5}$

Tags

CCSS.7.RP.A.2C

Which equation results in cross multiplying the the given proportional relationship?

 $\frac{45}{5}=\frac{108}{x}$  

•  $45x=540$  

•  $2x=105$  

•  $8,000x=53,200$  

Tags

CCSS.7.RP.A.2C

How do you solve for x?

 $45x=540$  

• Add 45 to both sides

• Divide both sides by 45

• Multiply both sides by 45

• Subtract both sides by 45

Tags

CCSS.6.EE.B.7

After dividing both sides of the equation by 45, what is the value of x?

 $45x=540$  

•  $x=4$  

•  $x=17$  

•  $x=12$  

•  $x=23$  

Tags

CCSS.6.EE.B.7

Anthony rode his bicycle 45 miles in 5 hours. At that rate, how long would he have to ride to go 108 miles?

• 10 hours

• 18 hours

• 12 hours

• 16 hours

Tags

CCSS.6.RP.A.3B

Marco wanted to buy a book about basketball. The book was $25.00 new. His friend Josh told him to check the used book store. The book was $15.00 used. What percentage was the book marked down?

• $80\%$

• $26\%$

• $4\%$

• $40\%$

Tags

CCSS.6.RP.A.3C

Camila types 40 words per minute. Which proportion would determine how many words she could type in 16 minutes?

• $\frac{40}{x}=\frac{16}{1}$

• $\frac{40}{1}=\frac{x}{16}$

• $\frac{16}{40}=\frac{x}{1}$

A video game store sold 65 video games on Friday. On Saturday, they sold 104 video games. What was the percent of change?

• $60\%$

• $30\%$

• $50\%$

• $45\%$

Tags

CCSS.6.RP.A.3C

A cell phone company is offering 40% off a new cell phone if an old cell phone is traded in.

Part 1

What is the amount of the discount if the new cell phone is $251?

• $100.40

• $42

• $116

• $141

Tags

CCSS.6.RP.A.3C

A cell phone company is offering 30% off a new cell phone if an old cell phone is traded in.

Part 2

What is the discounted price of the new cell phone?

-Remember the original price is $251.

• $150.60

• $178

• $149.67

• $118.90

Tags

CCSS.6.RP.A.3C