Latifah makes $12 per hour. she works 18 hours per week. she calculates that in 4 weeks, she will earn $864. if her hourly rate and weekly hours are rounded to the nearest ten, which amount represents an estimate of the amount she will make over 4 weeks? is her original calculation reasonable? $800; the original calculation is reasonable $864; the original calculation is not reasonable $1,000; the original calculation is reasonable $2,000; the original calculation is not reasonable