ACT SAT Prep Learn how to use proportions to determine the number of pears to use in a salad

The video tutorial explains how to solve a problem involving a fruit salad recipe. The recipe serves 6 people using 5 pears, and the task is to determine how many pears are needed to serve 18 people. The teacher guides through setting up a proportion and solving it using cross multiplication, concluding that 15 pears are required for 18 people.

How many oranges are used in the recipe for 6 people?

• 2 oranges

• 3 oranges

• 4 oranges

• 5 oranges

What is the first step in solving how many pears are needed for 18 people?

• Divide the number of pears by 6

• Set up a proportion

• Calculate the total number of fruits

• Multiply the number of people by 3

In the context of the video, what is the purpose of setting up a proportion?

• To calculate the time needed to prepare the recipe

• To compare the number of people to the number of pears

• To find the total number of fruits needed

• To determine the cost of the fruits

If a recipe serves 6 people using 5 pears, how many pears are needed to serve 18 people?

• 15 pears

• 10 pears

• 20 pears

• 25 pears

What mathematical method is used to solve the proportion?

• Cross multiplication

• Subtraction

• Addition

• Division