Louisa has $145 saved in her account. She makes $8 an hour at work. How many hours must she work to have at least $320?
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Equation of the given line will be :
- y = 4x - 3
now, let's plug the value of x as the x - coordinate of the above point (-2 , 9) to check whether it lies on the line or not.
now, since value of isn't equal to the y - coordinate of the given point, so the point doesn't lies on the line.