3 minutes - 153 words 10 minutes - x words
3 x = 153 ⋅ 10 3 x = 1530 x = 510
He can type 510 words in 10 minutes.
He can type 510 words in ten minutes.
Ben can type a total of 510 words in 10 minutes. This is calculated by first finding his typing rate of 51 words per minute and then multiplying that by 10 minutes.
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