Understanding Discounts and Algebra in Shopping

The video tutorial explains how to calculate the cost of guavas during a sale and at full price. Initially, 6 guavas are bought at a 30% discount, costing $12.60. The tutorial uses algebra to determine the full price of the guavas, which is $18 for 6 guavas or $3 per guava. It then calculates the cost of 2 guavas at full price, which is $6. The video includes a step-by-step guide on using algebra and long division to solve the problem.

What was the discount percentage on guavas at the fruit store?

• 20%

• 50%

• 30%

• 40%

Tags

CCSS.6.RP.A.3C

How much did the narrator pay for six guavas with the discount?

• $18.00

• $12.60

• $10.00

• $15.00

Tags

CCSS.RI.6.3

CCSS.RI.7.3

CCSS.RI.8.3

CCSS.RI.9-10.3

CCSS.RL.5.3

What was the narrator asked to do the next day?

• Check the price again

• Buy more guavas

• Return the guavas

• Buy apples

Tags

CCSS.HSA-SSE.A.1A

What variable did the narrator use to represent the full price of six guavas?

• y

• a

• x

• z

What percentage of the full price is the sale price?

• 90%

• 80%

• 70%

• 60%

Tags

CCSS.6.NS.B.3

What is the full price of six guavas according to the narrator's calculation?

• $12.60

• $15.00

• $21.00

• $18.00

Tags

CCSS.6.EE.B.7

How much does one guava cost at full price?

• $2.00

• $2.50

• $3.50

• $3.00

How much will two guavas cost at full price?

• $5.00

• $6.00

• $4.00

• $7.00

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What fraction of the full price of six guavas is the cost of two guavas?

• 1/5

• 1/4

• 1/3

• 1/2

Tags

CCSS.6.EE.B.7

What was the final conclusion about the cost of two guavas?

• They cost $4

• They cost $5

• They cost $7

• They cost $6

Tags

CCSS.6.EE.B.7