Answer:
600 words
Explanation:
Find the rate first.
240 ÷ 4 = 60 words per minute
Now in 10 minutes, you need to multiply the rate to the required time.
60 × 10 = 600 words
Martin can type 600 words in 10 minutes.
so 240 by 4 is 60
then 60 * 10 is 600
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