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10 July, 11:43

Tristan is working two summer jobs, making $7 per hour babysitting and $19 per hour lifeguarding. Tristan must earn at least $210 this week. Write an inequality that would represent the possible values for the number of hours babysitting, bb, and the number of hours lifeguarding, ll, that Tristan can work in a given week.

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  1. 10 July, 12:01
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    Answer: 7bb + 19 ll ≥210

    Step-by-step explanation:

    Hi, to answer this question we have to write an inequality:

    The product of the number of hours he works babysitting (bb) and the amount he earns per hour (7); plus The product of the number of hours he works lifeguarding (ll) and the amount he earns per hour 19; must be higher or equal to the amount he must earn this week (210)

    Mathematically speaking:

    7 bb + 19 ll ≥210
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