Sarah earns $9per hour babysitting. she must earn a minimum of $81 next month to attend a concert. if h represents the number of hours sara babysits, write an inequality to describe the situation

For this case we have to:

h: It is the variable that represents the number of hours that Sarah works as babysitting.

If you need an amount greater than or equal to $ 81 for the next month to attend a concert, we have the following inequality:

This means that you must work a minimum number of hours to get at least $ 81.

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step-by-step explanation:

the formula of a slope:

we have the points (-2, 7) and (2, 3). substitute: