Test on Ratios with Fractions and Proportional Relationships

A relationship in which for every x units of one quantity there are y units of another quantity.

• Rates

• Ratio

• Unit Rate

• Equivalent Ratio

Compares x units of one quantity to 1 unit of another quantity.

• Rate

• Unit Rate

• Ratio

• Equivalent Ratio

Two quantities are in a ​ (a)   if the two quantities vary and have a constant ratio between them.

• proportional relationship

• proportional

• unit rate

• nonproportional

• constant of proportionality

A movie theater randomly samples the types of admission tickets sold on Friday in the afternoon and the evening. If 400 tickets are sold on a Friday afternoon, use your inference and proportional reasoning skills to determine how many of those 400 tickets would be adult tickets. Type your numerical answer only.

Tags

CCSS.Math.Content.7.RP.A.3

Two quantities are ​ (a)   if the ratios comparing them are equivalent.

• proportional

• nonproportional

• constant of proportionality

• proportion

Write how to find the proportion of

2:8 :: 25:625

(Do not give space first right the means than the extremes.)

Mathematical Equivalence

ON

Ian is traveling to Las Vegas, every 5 kilometers is equivalent to about 3.1 miles. About how many miles would 20 kilometers be?

Hint: Use your knowledge of proportional reasoning!

• 12.4 miles

• 7.2 miles

• 8.8 miles

• 3.5 miles

The graph shows how the number of pages Jeff reads is related to the number of hours he spends reading. If Jeff continues to read at the same rate as shown in the graph, how many hours would it take him to read 90 pages?

Mathematical Equivalence

ON

A car travels 420 miles in 8 hours.  If the car continues at the same rate, how far will it travel in 12 hours?

• 630 miles

• 630 hours

• 600 miles

• 96 miles

When two ratios are equal they are .

(a)  

• Proportional

• Ratio

• Rate

• Unit Rate