A bakery orders a shipment of apples and uses them all to make 150 apple pies. On slow days it takes 6 hours to sell all 150 apple pies. On busy days they sell 200 pies in 6 hours. Calculate how many hours one shipment of apples will last on a busy day.  Choose the correct choice from the following choices.
A) 6.2  B) 5  C) 4.5  D) 4.2  E) 3.8
First set up a ratio with all the relevant values and also the unknown variable:   150*6 = 200*x   Now solve by multiplying 150 by 6 and then dividing that product by 200:    150*6= 
<gadget id="calculator"> 150*6</gadget>
<output>900</output>
900   900/200= x   x = 4.5 hours   Answer: 4.5
<result>C</result>
A bakery orders a shipment of apples and uses them all to make 150 apple pies. On slow days it takes 6 hours to sell all 150 apple pies. On busy days they sell 200 pies in 6 hours. Calculate how many hours one shipment of apples will last on a busy day.