Percent Increase and Decrease with Equations Practice Problems

Money in a particular savings account increases by about 6% after a year.  How much money will be in the account after one year if the initial amount is $100.

• $106
• $10.60
• $6
• $160.00

Money in a particular savings account increases by about 6% after a year.  How much money will be in the account after one year if the initial amount is $50.

• $3.00
• $5.30
• $53
• $80.00

Money in a particular savings account increases by about 6% after a year.  How much money will be in the account after one year if the initial amount is $200.

• $320.00
• $188.00
• $212
• $320.00

Money in a particular savings account increases by about 6% after a year.  How much money will be in the account after one year if the initial amount is $125.

• $200.00
• $132.50
• $117.50
• $200.00

Money in a particular savings account increases by about 6% after a year.  How much money will be in the account after one year if the initial amount is x dollars.

• 1.06x
• .06x
• .94x
• 1.6x

The value of a new car decreases by about 15% in the first year.  How much will a car be worth after one year if its initial value was $1000?

• $1850.00
• $150.00
• $1150.00
• $850.00

The value of a new car decreases by about 15% in the first year.  How much will a car be worth after one year if its initial value was $5000?

• $5750.00
• $4250.00
• $750.00
• $3750.00

The value of a new car decreases by about 15% in the first year.  How much will a car be worth after one year if its initial value was $5020?

• $5773.00
• $4016.00
• $753.00
• $4267.00

The value of a new car decreases by about 15% in the first year.  How much will a car be worth after one year if its initial value was x dollars?

• .85x
• .15x
• 1.85x
• 1.15x

Match an equation to the following situation:
The water level in a reservoir is now 52 meters.  If this was a 23% increase, what was the initial depth?

• 0.23x = 52
• 0.77x = 52
• 1.23x = 52
• 1.77x = 52