Question

At the beginning of spring, Arianna planted a small sunflower in her backyard. When

it was first planted, the sunflower was 20 inches tall. The sunflower then began to
grow at a rate of 0.5 inches per week. How tall would the sunflower be after 3 weeks?
How tall would the sunflower be after w weeks?
Height after 3 weeks:
Height after w weeks:

Answer 1

3 weeks: 21.5 inches

w weeks: 20+0.5w inches

Explanation:

Equation: 20+0.5w.

20 was when it was first planted and 0.5 is the amount it grows per week.