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

- Whole Numbers And Fractions: Time for a little challenge! > Whole Numbers & Fractions Exercise 25 > 5
- Attempting as Guest
- Attempt Mode: Attempt Single Question

**Score :**

(Single Attempt)

**Question
**

Thomas bought 25 boxes of pens at $30 per box. He gave 100 pens away and sold the rest at 5 for $10.

He then found that he had made a profit of $500.

Find :

(a) the number of pens in each box and

(b) the cost price of each pen (round your answer off to the nearest cent)

* Notes to students:*

*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*

The correct answer is :

**29,103**