A gamezone charges $8 as entry fees, and an hourly fees of $5. For how long can Jane play, if she has $28.
A
3 hours
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B
4 hours
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C
5 hours
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D
None of the above
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Solution
The correct option is B4 hours Let Jane plays for x hours.
The amount of money, she have to pay for playing x hours =8+5x
Given that Jane has $28. ⇒8+5x=28 Step 1: Subtract 8 from both the sides of the equation ⇒8+5x−8=28−8 ⇒5x=20
Step 2: Divide both sides of the equation i.e. 5x=20 by 5