RATL 1 | Lesson 2 | Making Connections (Solutions: Strategies to Solve Problems with Percents)

1.  A body shop estimates the cost of painting John’s car at $4,000 plus a garage fee of 15%. John needs to  determine how much he will pay in total.

John believes he can work out the answer by multiplying 1.15 by 4,000.

Is John correct?

Solution:  John is correct.  The solution is $4,600.


2. Find 30% more than 90 using percentage strips and double number lines.

Solution 1: Percentage Strips

10% 10% 10% 10% 10% 10% 10% 10% 10% 10%
9 9 9 9 9 9 9 9 9 9
10% 10% 10%
9 9 9

\[13(9)=117\]

Solution 2: Double Number Lines


 

 

Go back to Making Connections (Strategies to Solve Problems with Percents)