Alice read 5 more pages today than she did yesterday. today she read 42 pages. how many pages did alice read yesterday

Number of pages she read yesterday + 5 = 42

42 - 5 = number of pages she read yesterday

42 - 5 = 37

Alice read 37 pages yesterday.

She started off with 42 today, and we're counting down, which means we subtract as we go.

She read 5 pages more, meaning:

Previous + 5 = 42

To figure out how many she read yesterday, subtract 5 from 42.

42-5=37

She read 37 pages yesterday.