Under his cell phone plan, Henry pays a flat cost of $63.50 per month and $5 per gigabyte. He wants to keep his bill at $77.50 per month. How many gigabytes of data can he use while staying within his budget?

Respuesta :

Answer:

2

Step-by-step explanation:

77.50 - 63.50 = 14

per gigabyte $5 + 5 =10

so answer is 2

fichoh

Henry can only use 2 gigabyte of data in other to stay within his budget.

To solve :

Flat fee = $63.50

Price per gigabytes = $5

Total budget = $77.50

Let the number of gigabyte = g

Expressing the problem as a mathematical expression :

  • Total budget = flat fee + (price per gigabyte × number of gigabytes)

63.50 + 5g ≤ 77.50

Collect like terms

63.50 - 77.50 ≤ - 5g

-14 ≤ - 5g

Divide bith sides by - 5 to isolate g

-14 / - 5 ≤ g

2.8 ≤ g

Therefore, to stay within his budget he must not use beyond 2.8 gigabyte of data.

If a whole number value is required, then he can only use 2 gigabyte of data in other to stay within his budget.

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