A plant is already 54 centimeters tall, and it will grow one centimeter every month.

Let H be the plant's height (in centimeters) after M months.

Write an equation relating H to M. Then use this equation to find the plant's height after 21 months.

Equation:

OO

O=D

x

Plant's height after 21 months:

centimeters

S

?

Question

Mathematics

Nelson Hayes

3 January, 10:23

A plant is already 54 centimeters tall, and it will grow one centimeter every month.

Let H be the plant's height (in centimeters) after M months.

Write an equation relating H to M. Then use this equation to find the plant's height after 21 months.

Equation:

OO

O=D

x

Plant's height after 21 months:

centimeters

S

?

+4

Answers (1)

Know the Answer?

Terrance Nixon · Answer 1

H = 54 + M cm; 75 cm

Step-by-step explanation:

After 1 monnth, height increases by 1 cm

So, after M months, height increases by (1*M) or M cm

So, Total height, H = 54 + M cm