Question

The equation, y=25x, represents the cost, y, in dollars, of x cubic yards of mulch at the garden shop

Answer 1

The cost is $75

Explanation:

Given

`y = 25x`

Required

Cost of 3 cubic yards -- Missing from the question

The required means that:
`x = 3`

Plug in
`x = 3\\` to
`y = 25x`

`y = 25 * 3`

`y = 75`

The cost is $75