Tangerine Cost and Ratio Problems

The video tutorial explains how to solve a problem involving the cost of tangerines. It begins by introducing the problem of determining how many tangerines can be bought for $1.40, given that 16 tangerines cost $11.20. The tutorial then explains how to set up a ratio and solve the equation using cross multiplication. The solution involves calculating the number of tangerines that can be purchased for the given amount, resulting in the conclusion that two tangerines can be bought for $1.40.

What is the initial problem presented in the video?

• How to calculate the total cost of tangerines.

• How to grow tangerines.

• How many tangerines can be bought for a specific amount of money.

• How to sell tangerines at a profit.

What is the cost of 16 tangerines?

• $16.00

• $11.20

• $1.40

• $22.40

What is the first step in solving the problem?

• Setting up a ratio.

• Calculating the total cost.

• Finding the weight of tangerines.

• Guessing the number of tangerines.

What is the purpose of setting up a ratio in this problem?

• To compare the amount of money to the number of tangerines.

• To find the total cost of tangerines.

• To calculate the profit from selling tangerines.

• To determine the weight of tangerines.

What does the variable x represent in the problem?

• The cost of one tangerine.

• The number of tangerines that can be bought.

• The total weight of tangerines.

• The price of all tangerines.

What is the alternative method mentioned for finding the cost per tangerine?

• Adding the total cost to the number of tangerines.

• Dividing the total cost by the number of tangerines.

• Subtracting the number of tangerines from the total cost.

• Multiplying the total cost by the number of tangerines.

What mathematical method is used to solve the proportion?

• Division

• Addition

• Subtraction

• Cross multiplication

What does cross multiplication help achieve in this problem?

• It helps calculate the profit.

• It helps determine the weight.

• It helps solve the proportion.

• It helps find the total cost.

What is the first calculation performed in the video?

• 16 divided by 1.40

• 16 times 1.40

• 1.40 times 11.20

• 11.20 divided by 16

What is the result of 16 times 1.40 in the calculation?

• 1.40

• 11.20

• 22.4

• 16.40