Ratio and Proportion

A car consumes 5 liters of fuel for every 80 km traveled. How much fuel is needed to travel 320 km?

• 10 liters

• 20 liters

• 30 liters

A school’s enrollment increases in a ratio of 5:6 over the past year. If last year’s enrollment was 500 students, what is the current enrollment?

• 609 students

• 607 students

• 600 students

The weight of a box of chocolates is in the ratio 3:5 for dark chocolate to milk chocolate. If there are 300 grams of milk chocolate, how much dark chocolate is there?

• 180 grams

• 185 grams

• 182 grams

The ratio of the length to the width of a rectangular park is 5:2. If the width is 20 meters, what is the length?

• 50 meters

• 34 meters

• 40 meters

A construction worker mixes cement and sand in a 1:4 ratio. If he has 12 kg of cement, how much sand does he need?

• 46 kilograms

• 47 kilograms

• 48 kilograms

A hospital has a nurse-to-patient ratio of 1:5. If there are 40 nurses, how many patients are there?

• 210 patients

• 200 patients

• 198 patients