VOCABULARY
WORD PROBLEMS
I = prt
PERCENT TO DECIMAL
Formulas
100
The "t" represents this when you find the interest owed when you borrow money.
What is time.
100
Emilio's father borrows \$1,200 from the bank for a riding lawn mower. The interest rate is 8% per year. How much simple interest will he pay if he if he takes 2 years to repay the loan?
What is \$192?
100
This is the interest when you invest \$1050 at 4.6% for 2 years.
What is \$96.60?
100
This is 73% to as a decimal.
What is 0.73?
100
This formula is used to find simple interest.
What is I = prt?
200
The amount paid or earned for the use of money.
What is simple interest?
200
Raini has \$750 in a savings account that pays 3% simple interest. This is how much interest will he earn in 9 months.
200
This is the interest when you borrow \$250 at 2.85% for 3 years.
What is \$21.38?
200
This is 1.5% as a decimal.
What is .015?
200
This formula is used to find perimeter of a rectangle.
What P = 2l + 2w?
300
The amount of money deposited or invested.
What is the principal?
300
Cory charged a \$600 TV on his credit card with an interest rate of 21%. If he has no other charges on the card, how much will he owe after one month?
What is \$610.50?
300
This is the interest when you borrow \$500 at 3.75% for 6 months.
What is \$9.38?
300
This is 2.85% as a decimal.
What is 0.0285?
300
This formula is used to find distance.
What is D = rt
400
The "r" in the simple interest formula.
What is the rate?
400
Marcus saved his earnings to pay for college. He deposits \$1,800 for 2 years and earns \$144. How much money will have have at the end of two years?
What is \$1,944?
400
This is the interest when you invest \$3,000 at 5.5%, for 2 years and 6 months.
What is \$412.50
400
This is 6 and 6/12% as a decimal.
What is 0.065?
400
This formula is used to find the total when calculating interest.
Ta = p + I
500
The sum of the principal and the interest is called this.
What is the total amount?
500
Sarah deposited \$950. At the end of 12 years, her balance was \$1,175. This is the amount of interest she earned.
What is \$225?
500
This is the total to be repaid when you borrow \$8,125 at 1.2% for 9 nine months.
What is \$8,198.11?
500
This is 0.0123% as a decimal.
What is 0.000123
500
This formula is used to find Fahrenheit temperature given Celsius temperature.
What is F = 1.8C + 32
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