Three pounds of coffee costs $7.75. what is the unit price (cost per lb.) of the coffee?

This is fairly simple. If you are looking for the cost per lb., you would just divide the total cost by the number of pounds.

7.75 ÷ 3 = 2.5833333333

Since we are talking about money, you would round it to the tenths.

This would be 2.58.

Therefore, it is $2.58 per pound of coffee.

Hope this helps!

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get