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

- Speed: Getting there! > Speed Exercise 29 > 2
- Attempting as Guest
- Attempt Mode: Attempt Single Question

**Score :**

(Single Attempt)

**Question
**

In 2 hours , Harry washed a number of plates.

Bob can wash an equal number of plates in 3 hours.

(a) If Bob can wash 120 plates in 5 minutes, how many plates can Harry wash in 2 hours?

(b) How many plates will both Harry and Bob wash in 3 hours?

*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*

The correct answer is :

**4320,10800**