Johanna’s parents give her $10 per week for lunch money. she cannot decide whether she wants to buy or pack her lunch. if a hot lunch at school cost $2, write and solve an inequality to finding the maximum number of times per week johanna can buy her lunch

First, let's define a variable:
 x: number of times you can buy lunch per week.
 We write the following inequality:
 2x <= 10
 Clearing x we have:
 x <= 10/2
 x <= 5

 
 An inequality to finding the maximum number of times per week Johanna can buy her lunch is: 
 2x <= 10
 solve an inequality:
 x <= 5 
 (You can buy a maximum of 5 lunches per week).

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