Question

a gumball machine currently contains 275 gumballs. The amount of gumballs in the machine will decrease at a constant rate of 15 gumballs per week write an equation that could be used to find y the total number of gumballs in the machine after x weeks

Answer 1

• y = -15x + 275

Explanation:

According to the question we have the following

Initial number:

• b = 275

The slope:

• m = - 15

The equation is:

• y = mx + b
• y = -15x + 275