Ahmad and Bala each have a piggy bank. The ratio of the number of coins in Ahmad's piggy bank to the number of coins in Bala's piggy bank is 2 : 5. Ahmad has 40 coins. How many coins does Bala have?
Show Worked Solution
Worked Solution
Step 1: Use Ahmad's information to find the value of 1 unit.
Ahmad : Bala = 2 : 5
Ahmad has 40 coins → 2 units = 40
1 unit = 40 ÷ 2 = 20 coins
Step 2: Find the number of coins Bala has.
Bala = 5 units = 5 × 20 = 100 coins
Answer: Bala has 100 coins.
Correct answer: 100
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