You should divide 35 by 2 to get how many bricks that bricklayer lays in a quarter of an hour. The equation would look like this: 35 / 2 =. The answer is 17.5. So, this bricklayer lays 17.5 bricks every 15 minutes or 1/4 hour.
Next, you can multiply 17.5 by 3 to receive the number of bricks the bricklayer laid in 45 minutes (3/4 hour). 17.5 * 3 = 52.5.
In conclusion, the bricklayer lays 52.5 bricks in 3/4 hours.