Percentage and Algebra Word Problems

The video tutorial covers solving various algebraic problems by setting up equations. It includes examples on calculating profit, solving simple equations, using substitution, finding consecutive integers, solving age-related problems, and calculating original prices after a percentage decrease.

What is the formula for profit if it increases by 20 each day?

• Profit = 20d

• Profit = 10d

• Profit = 40d

• Profit = 30d

Tags

CCSS.HSF.IF.A.2

If the profit on day 10 is calculated using the formula, what is the profit?

• 200

• 150

• 100

• 250

Tags

CCSS.6.EE.B.7

What is the value of x if 7 times a number equals 35?

• 6

• 5

• 3

• 4

If one number is 25 more than twice another number, what is the first number if the second is 15?

• 45

• 50

• 55

• 60

Tags

CCSS.6.EE.B.6

What is the sum of two consecutive integers if the first integer is 17?

• 33

• 34

• 35

• 36

Tags

CCSS.7.EE.B.4A

How old is Peter if he is three times as old as he was six years ago?

• 6

• 9

• 12

• 15

Tags

CCSS.6.RP.A.3C

What was the price of the MP3 player last year if it decreased by 20% to $120 this year?

• $150

• $120

• $100

• $180

Tags

CCSS.6.RP.A.3C

If the price of an item decreases by 20%, what percentage of the original price remains?

• 90%

• 80%

• 70%

• 60%

Tags

CCSS.5.NBT.B.7

What is the result of dividing 120 by 0.8?

• 150

• 120

• 140

• 100

Tags

CCSS.6.RP.A.3C

If the price of an item is reduced by 20% and the new price is $120, what was the amount of reduction?

• $30

• $50

• $20

• $40

Tags

CCSS.6.RP.A.3C