On Friday, rain fell at a rate of 1.2 inches per hour. Write an equation to show the relationship between the number of hours, h, and Friday's total rainfall, r.
r=1.2h
Bill bought 4 packages of markers for a total cost of 12.60. Write an equation that represents, p, the cost in dollars, of each notebook.
4p=12.60
A train was traveling at a constant speed. The train traveled 315 miles in 3 hours. Write an equation to represent the relationship between t, the time, and d, the total distance traveled by the train.
105t=d
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