Ratios and Proportional Reasoning Unit Review

The table shows the cost for ordering a certain number of pizzas. What is the value of x if the cost is proportional to the number of pizza's ordered?

• $9.99

• $29.97

• $49.95

• $59.94

What is the unit rate if there are 1,760 Calories in 8 servings?

• 176 calories per serving

• 220 calories per serving

• 228 calories per serving

• 14,080 calories per serving

Which size of yogurt shown in the table has the lowest unit price?

• 6 oz

• 8 oz

• 10 oz

• 32 oz

Pencils are $4.00  for 10 pencils.  If the car shown is speeding to bring you a pencil for math class, what is the cost per pencil or the unit rate?   What is the cost for 5 pencils?
Make a ratio table or a proportion to find the answers.

• $0.40 per pencil; $2.00 for five pencils

• $3.24 per pencil; $5.00 for five pencils

• $1.00 per pencil; $5.00 for five pencils

• $1.44 pencil; $5.88 for five pencils

• $12

• $120

• $221

• $21

• $3

• $23.25

• $8.73

• $79.75

The table shows the weight in pounds of objects on earth compared to objects on the moon.  If an object on earth weighs 42 lbs, what is its weight on the moon?

• 7 lbs

• 12 lbs

• 84 lbs

• 252 lbs

• 1 lbs

• 1 29/35 teaspoons

• 35/64 teaspoons

• 5 3/5 teaspoons

• 5/28 teaspoons

There are 8 teacher and 40 students going on a field trip. If 20 more students decided to go on the field trip, then how many more teachers must go to keep it proportional?

• 5 more teachers

• 4 more teachers

• 2 more teachers

• none

There are 8 teacher and 40 students going on a field trip. If 20 more students decided to go on the field trip, then how many more teachers must go to keep it proportional?

• 5 more teachers

• 4 more teachers

• 2 more teachers

• none