Proportions Answers

Terrence was filling the new fish aquariums where he works. He was able to fill aquariums in hours. At this rate, how long will it take him to fill 4 aquariums?

Jamal works as an electrician’s apprentice. He rewired 4 electrical outlets in hours. If he works at the same pace for 7.5 hours, how many outlets will he rewire?

There are 3 feet in 1 yard. This is equivalent to 12 feet in 4 yards. Which proportion can be used to represent this?

Michelle is having a poster printed from a picture that is 4 inches wide by 6 inches tall. The enlarged poster is 20 inches wide and 30 inches tall. Which proportion can be used to represent the picture sizes?

To control an infection, a doctor recommends that a patient who weighs 92 pounds be given 320 milligrams of antibiotic. If the antibiotic is given proportionally according to the patient's weight, how much antibiotic should be given to a patient who weighs 138 pounds?

To make 12 ounces of hot chocolate, 3 tablespoons of cocoa are needed. How many tablespoons of cocoa are needed to make 72 ounces of hot chocolate?

A photographer has a print that is 3.5 inches wide and 2.5 inches tall. If the photographer enlarges the print so that it is 7 inches wide, how tall will it be?

Last year there were 221 students and 13 teachers at Hillard School. This year there are 272 students. The principal wants to keep the same student-to-teacher ratio as last year. Which proportion can the principal use to find x, the number of teachers needed this year?

If there are 90 calories in cup of yogurt, how many calories are in 3 cups of yogurt?

Megan bought 3 tickets to the ballet for $57.50. How much would it cost for her to buy 15 tickets?