Question

a plant is already 10 centimeters tall, and it will grow one centimeter every month. Let H be the plants height (in centimeters) after M months. write an equation relating H to M

Answer 1

H = 10 + 1M

The 10 is fixed because that's where the plant started. We add one cm for each month, so we multiply 1 by M. When 1 is a coefficient, it can be dropped.

H = 10 + M