Finding Percent Change
A pair of sneakers originally cost $60. The price was reduced to $48. What was the percent decrease?
20% decrease
A storekeeper increased the price of backpacks by 12%. Write an equation to calculate the new total cost, c, when the original price of a backpack is p dollars.
c=1.12p
The value of a laptop decreases by 10%. Its current value is $900. What will its value be after the decrease?
$810
A store increased the price of a pair of shoes by 10%.
A. The original price was $50. What is the new price?
B. After the increase, the shoes cost $77. What was the original price?
A) $55
B) $70
A student’s allowance increased from $20 to $27 per week. What was the percent increase?
35% increase
A town's population decreased by 15%. Let x represent the original population and y represent the new population. Write an equation to represent this relationship.
y=0.85x
A water tank contained 150 gallons of water. The amount of water decreased by 12%. How many gallons remain?
132 gallons
A store decreased the price of a bicycle by 20%.
A. The original price was $150. What is the new price?
B. After the decrease, the bicycle costs $104. What was the original price?
A) $120
B) $130
A video game originally cost $50. Its price was reduced to $35. What was the percent decrease?
30% decrease
A store increased the price of a sweatshirt by 8%. Let p represent the original price and c represent the new price. Write an equation to represent this relationship.
c=1.08p
A store increased the price of a television by 20%. After the increase, the television costs $480. What was its original price?
$400
A bakery increased the price of a cake by 15%.
A. The original price was $40. What is the new price?
B. After the increase, the cake costs $69. What was the original price?
A) $46
B) $60
A bicycle originally cost $240. Its price was reduced to $210. What was the percent decrease?
12.5% decrease
Maya bought x pounds of strawberries. Jordan bought 40% fewer strawberries than Maya. Write 3 different equations that represent the relationship between the amount Maya bought, x and the amount Jordan bought, y.
y = x - 0.4x
y = (1-0.4)x
y=0.6x
A restaurant increased the price of a meal by 25%. After the increase, the meal costs $30. What was the original price?
$24
A store decreased the price of a jacket by 25%.
A. The original price was $120. What is the new price?
B. After the decrease, the jacket costs $90. What was the original price?
A) $90
B) $120
A school's fundraiser collected $40 on Monday and $100 on Tuesday. What was the percent increase?
150% increase
Aaliyah collected x stickers. Ben collected 200% more stickers than Aaliyah. Write 3 different equations that represent the relationship between the number of stickers Aaliyah collected, x, and the number Ben collected, y.
y = x + 2x
y = (1+2)x
y=3x
A school's book collection increased by 150%. The school originally had 80 books. How many books does it have after the increase?
200 books
A school's book collection increased by 150%.
A. The school originally had 80 books. How many books does it have after the increase?
B. After the increase, the school has 300 books. How many books did it originally have?
A) 200 books
B) 120 books