Question

How to divide 4.50 by 18.00

Answer 1

Data:

price($)__ gallons
x -------------- 1
18.00 ------------ 4.5

Solving: Rule of three (directly proportional)

`(x)/(18.00) = (1)/(4.5)`
multiply cross

`4.5*x = 18.00*1`

`4.5x = 18.00`

`x = (18.00)/(4.5)`

`\boxed{\boxed{x = \$\:4.00}} \end{array}}\qquad\quad\checkmark`

Answer:
The price in dollars per gallon is $ 4.00