Question

Tamara has money in a savings account

which earns 3% interest each month.
Write two expressions that can be used to
calculate the amount of money in her
account after one month. Let a represent
the amount of money in her account.

Answer 1

• 1.03a

Explanation:

• Amount in account = a
• Interest rate = 3% per month

Amount after a month:

1. ........................

• a*(1 + 0.03) =
• 1.03a

2. ........................

• a + 0.03a =
• 1.03a