Siti pours some orange juice for her friend. She pours □/20 of a full bottle, which is the same as 3/5 of the bottle. What is the missing numerator □?
Show Worked Solution
Worked Solution
Step 1: Find the multiplier from denominator to denominator.
5 × ? = 20
5 × 4 = 20, so the multiplier is 4.
Step 2: Multiply the numerator by the same number.
□ = 3 × 4 = 12
Step 3: Check: 3/5 = 12/20?
3/5 = 3 × 4 / 5 × 4 = 12/20 ✓
The missing numerator is 12.
Correct answer: 12
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