-------------------------------------------------------------------- Define x : -------------------------------------------------------------------- Let the smallest number be x. First number = x Second Number = x + 1 Third Number = x + 2
Since x is a positive integer, it cannot be negative. ⇒x = 8
-------------------------------------------------------------------------- Answer: The three numbers are 8, 9 and 10. --------------------------------------------------------------------------
It’s A. $25.20 You find the rate you dividing the cost ($18) by how many gallons (5). Then you multiply by what you are looking for (7 gallons). You get 25.20.