Step-4

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

\$ 0.8 \times 2 + 20 - 1.5 \$

2

By using PEMDAS rule

\$ 1.6 + 20 -1.5 \$

3

After Addition

\$ 21.6 - 1.5 \$

4

After Subtraction

\$ 20.1 \$

5

Answer

D = \$ 20.1 \$


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