Step-2

Title: Determine the value of an expression

Grade: 8-a Lesson: S1-L8

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

Lesson Steps

Step Type Explanation Answer

1

Problem

Determine the value of an expression a = 1,b = 9,c = 6
10a + 12b + 15c

2

Step

Now substitute a,b,c values in the expression

10(1) + 12(9) + 15(6)

3

Step

After multiplication we get

10 + 108 + 90

4

Step

After adding we get

208

5

Answer

D


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