Question

the scale shown can be balanced when both sides have the same number of grams.
which weight can you add to 65 grams to balance the scale?
65 grams + ? = 90 grams
15 grams 25 grams 35 grams 45 grams

Explanation:

Step1: Identify the equation

We have the equation \( 65 +? = 90 \), where we need to find the unknown weight.

Step2: Solve for the unknown

To find the unknown, we use subtraction: \(? = 90 - 65 \).
Calculating \( 90 - 65 = 25 \).

Answer:

25 grams (corresponding to the option "25 grams")