Lesson 1.2 Proportional Relationships

• Yes, the situation is proportional because both have a ratio of 3 : 2

• Yes, the situation is proportional because both have a ratio of 2: 3

• No, the situation is not proportional because the ratio are different.

A car travels 26 miles of 1 gallon of gas. Jorge drives 130 miles and uses 5 gallons of gas.

The situation is ​ (a)   because the ratios are ​ (b)   . The ratio is ​ (c)   to ​ (d)  

• proportional
• the same
• 26 
• 1
• the same
• proportional

 

To get baby-blue paint, Kendrick needs to mix 5 parts blue paint with 2 parts white paint. Kendrick mixes 20 cups of blue with 8 cups of white

• Yes, the situation is proportional because the ratio 4

• No, the situation is not proportional because the ratio are different

• Yes, the situation is proportional because the ratio of blue paint to white paint is 5 : 2

Karina drinks 42 oz of water in 1 day. In 1 week, Karina drinks 294 oz

• Yes, the situation s proportional because both have a ratio of 1 oz per day

• Yes, the situation s proportional because both have a ratio of 42 : 1

• No, the situation is not proportional because the ratio are different

Adalynn planted 20 peach trees over 400 feet. Dwight planted 18 plum trees over 270 feet.

• The situation is not proportional because the ratio are not the same

• One ratio is 1 tree to 20 feet

  and the other ratio is 1 tree to 15 feet

• The situation is proportional because the ratio is 1 tree to 20 feet for both.

• Yes, the relationship is proportional because both the inchworm and the earthworm move at the same rate.

• No, the relationship is not proportional because the inchworm and the earthworm have different rates.

• No, the relationship is not proportional because I cannot compare inches and feet.

Multiselect One blend of garden soil is 1 part minerals, 1 part peat moss, and 2 parts compost. Select all of the mixtures below that are in a proportional relationship with this blend.

• 5 ft³ minerals, 5 ft³ peat moss, 10 ft³ compost

• 10 ft³ minerals, 15 ft³ peat moss, 15 ft³ compost

• 12 ft³ minerals, 12 ft³ peat moss, 24 ft³ compost

• 20 ft³ minerals, 20 ft³ peat moss, 40 ft³ compost

• 100 ft³ minerals, 100 ft³ peat moss, 200 ft³ compost

• 0.66 miles in 1 hour

• 90 miles in 1 hour

• 1.5 miles in 1 minute

• 15 miles in 1 hour.

• 1/15 miles per hour.

• 10/49 miles in 1 week

• 4.9 miles in 1 week.

• 1 mile in 4.9 weeks