Interest & MAD

The balance is the ​ (a)   that is in your ​ (b)   at any time e includes the ​ (c)   or the money that you invested and the ​ (d)   or additional money that you​ ​ (e)   ​​​ for keeping your money in the account.

• money
• account
• principal
• interest
• earn
• give
• waste
• division
• formula

Tags

8.12D

SIMPLE INTEREST FORMULA

f

e

g

h

Radius

Problem

Time in years

Increase

Time in months

Interest

Rate

Principal

Tags

8.12D

Rearrange The Simple Interest Formula

• I =

• r

• p

• t

Match the following amounts to the word problems

• Ahmed deposits $600 into an account that earns 2% simple interest for 30 years

• Interest = $360

• A $5,400 deposit for 11 years earning 4.25% simple interest

• Interest = $2,524.50

• A $4,100 deposit for 72 months at a simple interest rate of 3.4%.

• Balance = $3,413.04

• Sasha makes a $2,400 deposit into an account that earns 4.5% interest compounded annually for 8 year

• Interest = $836.40

• A $3,000 deposit for 60 months compounded at an annual interest rate of 2.6%.

• Balance = $3,410.81

Oliver makes deposits into two separate savings accounts:

• Account 1: $5,000; 4% annual simple interest

• Account 2: $5,000; 4% annual compound interest

Assuming he makes no additional deposits or withdrawals, find the difference in the account balances after 60 months.

Mathematical Equivalence

ON

The list below represents the number of minutes the last 5 customers at Fridays waited to receive their order. Find the mean absolute deviation.

5, 9, 4 , 6 , 6

Mathematical Equivalence

ON

Find the Mean Absolute Deviation for the following set of numbers:

171, 170, 174, 173, 172

• 860

• 172

• 1.2

• 1.5

Another way to describe Absolute Mean Deviation is the ​ (a)   distance of each ​ (b)   to the ​ (c)   of the data set.

• average
• value
• mean