Since the numbers are consecutive, they must be near each other in size, and therefore near one-third of 168. And since the lower number is -2 off the middle, and the upper number is +2 from the middle, the middle number must be exactly one-third of 168—otherwise the sum of the three could never be 168. Labelling the three consecutive numbers as x, y, and z:

x + y + z = 168

(y-2) + y + (y+2) = 168.

3y = 168

y = 56

therefore the smallest number (x) = 54.
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Jack’s new truck costs $325 per month for car payments. In addition, he estimates that gas and maintenance expenses cost $0.23 p

FromTheMoon [43]

$612.04 will Jack have to pay if he drives 1,248 miles in one particular month .

Step-by-step explanation:

Here we have , Jack’s new truck costs $325 per month for car payments. In addition, he estimates that gas and maintenance expenses cost $0.23 per mile. We need to find :

a. Express the monthly cost as a function of the miles driven.

Let number of miles driven be x , & monthly cost be y So , equation is :

⇒ $y=0.23x+325$ , Where 325 is Jack’s new truck costs $325 per month for car payments .