Step-3

Title: Simplify

Grade: 7-b Lesson: S1-L2

Explanation: Hello Students, time to practice and review the steps for the problem.

Lesson Steps

Steps Problem Solution

1

Simplify

\$ 100 - 4.5 \times 3 + 25 \$

2

By using PEMDAS rule

\$ 100 - 13.5 + 25 \$

3

After Addition

\$ 125 - 13.5 \$

4

After Subtraction

\$ 111.5 \$

5

Answer

C = \$ 111.5 \$


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