Form the inequality and solve it

Autor:Mathguru, Walch Education

Alexis is saving to buy a laptop that costs $1,100. So far she has saved $400. She makes $12 an hour babysitting. What’s the least number of hours she needs to work in order to reach her goal?

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רישום חופשי
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Discriminant of y = ax² + bx + c
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