Faulty Balance

Topic: Algebra

Difficulty: 5/10

Hint in 3…..

2………

1………

The ratio of the left mass to the right mass is the same for both cases.

Solution in 3…..

2………

1………

FULL SOLUTION

Step 1: Using the hint, it is known that (m÷9) = (16÷m)

Step 2: By cross multiplication, m² = 16 x 9

Step 3:Applying square root to both sides,  m = 12 grams