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### Primary 5 Problem Sums/Word Problems - Try FREE

- Percentage: If you watch these video solutions, you'll realise how easy it is! > Percentage Exercise 18 > 2
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- Attempt Mode: Attempt Single Question

**Score :**

(Single Attempt)

**Question
**

Andrew bought 40 dozen marbles at 25 cents per marble.

He gave away 15% of these marbles to his friends.

He sold the rest at 30 cents each.

(a) How many marbles did he sell?

(b) How much did he collect from the marbles that he sold?

(c) What was the profit?

*Notes to student:*

*If the question above has parts(e.g. (a) and (b)), given that the answer for part (a) is 10 and the answer for part (b) is 12, give your answer as:10,12**Round your answer off to 2 decimal places*

The correct answer is :

**408,122.40,2.40**