It costs 30 dollars per month for a cell phone plus 10 dollars for every GB of data. Which expression can be used to represent the cost of a cell phone bill when x is the number of GB of data used?
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The cost of cell phone is represented by expression,

It is given that,

It costs 30 dollars per month for a cell phone plus 10 dollars for every GB of data.

Let us consider that x is the number of GB of data used.

The cost of cell phone is represented by,

Thus, the cost of cell phone is represented by expression,

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( 10 × x ) + 30

Step-by-step explanation:

This equation would represent the phone bill because you would have to multiply the GB (x) by 10 before adding it to 30 to find the total amount of money.

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x + 4/7

step-by-step explanation:

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