Alfred is practicing typing. The first time he tested himself, he could type 27 words per minute. After practicing for a week, he could type 29 words per minute. After two weeks he could type 31 words per minute. Based on this pattern, predict how fast Alfred will be able to type after four weeks of practice.

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Mathematics

Jimmy Hahn

Today, 00:44

Alfred is practicing typing. The first time he tested himself, he could type 27 words per minute. After practicing for a week, he could type 29 words per minute. After two weeks he could type 31 words per minute. Based on this pattern, predict how fast Alfred will be able to type after four weeks of practice.

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Anthony Galvan · Answer 1

In four weeks, he would be able to type 35 words a minute. See how it goes up two words per week. He started with 27 words, then after one week, it was 29, and after two weeks, it was 31, so after three weeks, 33, and in four weeks, 35. See the pattern? It counts by twos.