Cost Calculation and Equation Solving

Cost Calculation and Equation Solving

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial explains how to determine the individual prices of a table and chairs given their collective price and a condition that the table costs 10 rupees more than a chair. The instructor sets up an equation using variables to represent the costs, solves the equation to find the cost of a chair, and then calculates the cost of the table. The solution reveals that the chair costs 110 rupees and the table costs 120 rupees.

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total cost of one table and two chairs as mentioned in the problem statement?

340 rupees

350 rupees

370 rupees

360 rupees

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the problem, how much more does the table cost compared to a chair?

15 rupees

10 rupees

5 rupees

20 rupees

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the cost of one chair is x, what is the expression for the cost of the table?

x + 5

x + 10

x + 15

x + 20

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many variables are used to represent the cost of the chairs in the equation?

3

4

2

1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the equation formed to represent the total cost of the table and chairs?

4x + 10 = 340

3x + 20 = 340

3x + 10 = 340

2x + 10 = 340

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving the equation 3x + 10 = 340?

Divide both sides by 3

Multiply both sides by 3

Subtract 10 from both sides

Add 10 to both sides

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After transposing 10 to the right side, what does the equation become?

3x = 320

3x = 330

3x = 340

3x = 350

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