Lessons 13, 14, 16

Word Problems

100

A florist uses 225 branches of winterberry to make 75 wreaths.  Based on this ratio, how many branches of winterberry does the florist use for 25 wreaths?

75 branches

200

Rachel mows 5 lawns in 8 hours.  At this rate, how many lawns can she mow in 40 hours?

25 lawns

300

It takes Jill 2 hours to run 14.5 miles.  At this rate, how far could she run in 3 hours?

21.75 miles

400

Five boxes of crackers cost $9.  At this rate, how much do 20 boxes of crackers cost?

$36

500

It takes Dan 32 minutes to complete 2 pages of math homework.  At this rate, how many pages does he complete in 200 minutes?

12.5 pages

Part-to-part

100

Fabiola's special seasoning mix has two ingredients.  The mix uses 5 parts thyme and 3 parts parsley.  If she is making 40 tbsp of the mix, how many tablespoons of parsley does she need?

15 tbsp of parsley

200

Mallie's car dealership expects to sell 18 cars every 6 days.  Based on this information, how many days does the dealership expect that it will take to sell 90 cars?

30 days

300

Julio places gray chairs and blue chairs in each row he sets up for the assembly.  The ratio of gray chairs to blue chairs in each row is 7 to 3.  How many gray chairs and blue chairs will Julio use if he sets up a total of 80 chairs?

56 gray chairs

24 blue chairs

400

A jeweler makes an ocean-inspired necklace using a total of 60 snail shells and shark teeth. The ratio of 60 snail shells and shark teeth is 5:1.  How many of each does she use?

50 snail shells

10 shark teeth

500

A field biologist collects 220 butterflies and moths.  He collects 4 butterflies for every moth.  How many butterflies and how many moths does he collect?

176 butterflies

44 moths

Comparing ratios

100

For a science experiment, Jack adds 1 tsp of salt to 3 tsp of water.  Mike adds 4 tsp of salt to 9 tsp of water.  Whose water is saltier?

Mika's water has more salt. 

200

Jurgen runs a 26-mile race in 5 hours.  Greta runs a 15-mile race in 2 hours.  Who runs at a slower rate?

Jurgen runs at a slower rate.

300

Shawn sells 36 vehicles in 4 weeks.  Brett sells 56 vehicles in 7 weeks.  Who sells more vehicles per week?

Shawn sells more vehicles per week.

400

Joe and Chris each have a lawn mowing business.  Joe charges $40 to mow 2 acres.  Chris charges $30 to mow 1.2 acres. Who charges more per acre?

Chris charges more per acre.

500

A pickup truck travels 120 miles for every 8 gallons.  A minivan travels 180 miles for every 10 gallons.  Which vehicle travels more miles per gallon?

A minivan travels more miles per gallon.