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Chapter 2: Q9. (page 78)

Write and solve an equation to find how many weeks he needs to reach his goal.

Short Answer

Expert verified

A total number of weeks =20.

Step by step solution

01

Step 1. Given information.

Current balance in the bank = $1900

Goal balance = $2500

Deposits per week = $30

02

Step 2. Write the equation.

Consider the number of can be n.

The equation can be written as:

30n+1900=2500

03

Step 3. Solve the equation.

The equation 30n+1900=2500can be written as in below:

30n=2500−1900

Then,

30n=600n=60030n=20

04

Step 4. Conclusion.

The equation is 12n+200=260and total number of weeks is 20.

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