Vocabulary
Simple Interest
Markup/down
100

deposit

to put money into an account

100

Alicia puts $400.00 in a bank account. Each year the account earns 5% simple interest. How much money will be in her bank account in six months?

 

$410

100

A toaster that cost $25.99 is marked down by 20%. How much does the toaster cost now?

$20.80

200

withdraw

remove money from account

200

José put $1,400 into a savings account. He earns 5% interest every year. How much simple interest will he earn at the end of 3 years?

$210

200

Daniel bought a computer game for $30 and later sold it to Thomas for a 30% profit. How much did Daniel sell the computer game for?

$39

300

principal

the initial amount invested

300

Input #1 93.60 

Input #2 393.60

300

A golf shop pays its wholesaler $40 for a certain club, and then sells it for $70. What is the markup rate?

 A. 75% 

B. 7.5% 

C. 85% 

D. 8.5%

A. 75%

400

balance

interest plus the principal

400

C

400

The original price of a toaster is $20.00. If the toaster is marked down35%, what is the new price?

 A. $4 

B. $13 

C. $17

D. $22

B. $13

500

simple interest 

interest calculated on the principal only

500

Beth owes $40,000 in student loans. The interest rate on her loans is 6.25% per year. She will be paying these loans off for 20 years. How much will Beth pay altogether?

$90,000

500

Mary is buying new school supplies. She used a 10% off coupon on a set of markers that was originally $3.00. She also bought some paper that was 20% off. In total, Sally spent $6.00 after using her coupons. How much was the original price of the paper?

$4.13