Proportion Ratio Word Problems

The ratio of boys to girls is 3 to 2. If there are 12 boys, how many girls are there?

• 2

• 4

• 6

• 8

It takes one Super Giant Pizza to feed 3 people. If you invite 36 people, how many pizzas will you need?

• 3

• 6

• 9

• 12

At a recent party, it cost $9.50 for refreshments for 10 guests. At this rate, how much would it cost to have refreshments for 80 guests?

• $760

• $76

• 7600

• $76000

Mary had saved $17.50 in the past 3 weeks. At this rate, how much will she save in 15 weeks?

• 67.50

• 40.00

• 87.50

• nothing

While preparing for a triathlon, Janecia swims 8 minutes for every 20 minutes she bikes.  If she swims 72 minutes, how long does she bike for?

• 180 minutes

• 144 minutes

• 92 minutes

• 80 minutes

I had 35 assignments for the week. The ratio of English assignments to the rest of the assignment was 2:3. How many assignments were NOT English?

Mr. Johnson was paid $190 for a job that required 40 hours of work. At this rate, how much should he be paid for a job requiring 60 hours of work?

• 285

• 0

• 445

• 320

The park ranger stocks the children's fishing pond keeping a ratio of 4 sunfish to 3 perch. If he puts 300 sunfish into the pond, how many perch should be put into the pond?

• 400

• 425

• 225

• 525

If two pounds of meat will serve five people how many pounds will be needed to serve 13 people?

• 4.2

• 2,3

• 2.3

• 5.2

Jack was planting a tree. He was to dig a hole that was 3 feet deep for every 5 feet of tree height. How deep should he dig the hole for a tree that is 17 feet high?

• 9.2

• 8.2

• 12.2

• 10.2