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17 June, 06:45

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

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  1. 17 June, 06:52
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    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

    Answer:

    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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