Question

question: under his cell phone plan, suav pays a flat cost of $39 per month and $4 per gigabyte. he wants to keep his bill at $45.40 per month. write and solve an equation which can be used to determine x, the number of gigabytes of data suav can use while staying within his budget. answer: attempt 1 out of 2 equation: answer: x =

Explanation:

Step1: Set up the equation

Let $x$ be the number of gigabytes. The flat - cost is $39$ and the cost per gigabyte is $4$. The total cost should be at most $45.40$. So the equation is $39 + 4x=45.40$.

Step2: Solve for $x$

Subtract $39$ from both sides of the equation: $4x=45.40 - 39$. So $4x = 6.40$.

Step3: Isolate $x$

Divide both sides of the equation by $4$: $x=\frac{6.40}{4}$.

Answer:

$x = 1.6$