Ch. 1 Ratios and proportional Reasoning

Find each unit rate. Round to the nearest hundredth if necessary.

$1.12 for 8.2 ounces

• .72 cents per ounce

• .14 cents per ounce

• .41 cents per ounce

• .27 cents per ounce

simplify

 $\frac{5}{\frac{6}{\frac{5}{9}}}$  

•  $\frac{45}{30}$  

• 9

•  $\frac{3}{2}$  

•  $1\frac{1}{2}$  

write each percent as a fraction in simplest form.


 $7\frac{3}{4}\%$  

•  $\frac{31}{4}$  

•  $\frac{400}{31}$  

•  $\frac{31}{400}$  

•  $\frac{13}{400}$  

45 mi/h = ____ ft/s

• 4.5 ft/s

• 66 ft/s

• 4,500 ft/s

• 36 ft/s

• Yes; the degrees Celsius to degrees Fahrenheit ratios are all equal

• No; the degrees Celsius to degrees Fahrenheit ratios are not all equal

Determine whether the relationship between the two quantities shown in each table are proportional by graphing on the coordinate plane. Explain your reasoning.

• Not proportional, The graph does not pass through the origin.

• Proportional, The graph passes through the Origin and is straight

Solve each proportion

 $\frac{6}{25\ }=\frac{d}{30}\ \ d=$  

• d= 11

• d= 7.2

• d= 7.5

• d= 7

Noah printed 24 photos in 8 minutes. How many photos did he print per minute?

• 6 photos/minute
• 3 minutes/photo
• 12 minutes/photo
• 3 photos/minute

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

On a bike trip across the US, Cassie notes that she covers about 190 miles every four days.  If she continues at this rate, determine how many miles she could bike in 6 days.

• 190 miles
• 760 miles
• 380 miles
• 285 miles

Tags

CCSS.6.RP.A.3B

Adithya's favorite brand of peanut butter is available in two sizes.  The regular size costs $3.36 for 16 ounces.  The family size costs $7.60 for 40 ounces.  Which is the better buy?

• Family Size
• Regular Size

Tags

CCSS.6.RP.A.3B