High School

How many more ounces need to be added to the right side for the scale to be balanced?

Left side: 4 oz, 4 oz, 4 oz, 4 oz
Right side: 2 oz, 2 oz, 2 oz, 2 oz

A. 16 ounces
B. 4 ounces
C. 2 ounces
D. 8 ounces

Answer :

To solve the problem, we need to determine how many more ounces need to be added to the right side of the scale for it to be balanced.

Let's break it down:

  1. Calculate the total weight on the left side:

    • The left side has four 4-ounce weights.
    • Total weight on the left side = [tex]4 \times 4 = 16[/tex] ounces.

  2. Calculate the total weight on the right side:

    • The right side has four 2-ounce weights.
    • Total weight on the right side = [tex]4 \times 2 = 8[/tex] ounces.

  3. Determine how many more ounces are needed to balance the scale:

    • To balance the scale, both sides should weigh the same.
    • The left side weighs 16 ounces, and the right side weighs 8 ounces.
    • Difference in weight = [tex]16 - 8 = 8[/tex] ounces.

Thus, 8 more ounces need to be added to the right side in order to balance the scale.

Therefore, the correct answer is: 8 ounces.

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