Zach’s car travels 21 miles on 1 gallon of gas. write an equation to represent the relationship between gas

Step-by-step explanation:

Zach’s car travels 21 miles on 1 gallon of gas. .

The equation that represent the relationship between the gas Zach's car uses and the distance he travels can be given as:

Where x is the number of gallons used and D is the total distance covered in x gallons.

36 is the final answer! : )

so far i think you have the right thing going for you just remember soh cah toh

step-by-step explanation:

sine over hypotenuse

cosine   equals adjacent

tangent over hypotenuse