FREE Video Lesson Worth $20! Access 10000 Questions From P1 to P6! Access 300 Hours of Video Explanations! Video Tutorials to Tough PSLE Questions!

Or use your Email address

### Primary 6 Problem Sums/Word Problems - Try FREE

- Ratio: Think units and you're on your way! > Ratio Exercise 5 > 2
- Attempting as Guest
- Attempt Mode: Attempt Single Question

**Score :**

(Single Attempt)

**Question
**

A shop sells pens and light bulbs.

The ratio of the number of pens to the number of light bulbs was 3:5.

After some light bulbs were sold, the ratio of the number of pens to light bulbs became 5:6.

The cost of each light bulb is $0.45.

If there were 480 pens at first, how much was collected from the sale of the light bulbs?

*Notes to students:*

*Round your answer off to 2 decimal places*

The correct answer is :

**100.80**