51. A car travels 196 miles in 3.5 hours. W of the following is NOT an equivalent numb of miles per hour? TEKS 6.4B A. 224 miles in 4 hours B. 356 miles in 6 hours C. 504 miles in 9 hours D. 392 miles in 7 hours

Solve. 9. For a picnic, we made ice cream. We used an 8-quart freezer, and it was three fourths full when the ice cream was frozen. How many quarts of ice cream did we have? 10. Mrs. Denman bought a loaf of bread which weighed three fourths of a pound. If her family ate half of the loaf, how much bread was left? 11. Marsha lived mile from town. Liz lived 16 only one half as far from town. How far did Liz live from town? 60

Suppose that you drive a certain distance at  30 miles per hour, then turn around and drive back the same distance at  50 miles per hour.   For the distance given, find the average speed for the whole trip. Recall the average speed = distance/ time. The distances given are for a one way trip. Express your answer in whole number or decimal form.    Distance/ Average speed  20miles      __mph  60 miles     __mph  120miles    ___mph  480 miles   ___mph    Make a conjecture to what the average speed is in general.   The average speed is ___mph

3. The population of maple trees in a park's 0.35-mile radius is 490. Approximate the density of maple trees per square mile. Use 3.14 for T. There are approximately 653 maple trees per square mile. There are approximately 539 maple trees per square mile. There are approximately 1,274 maple trees per square mile. There are approximately 446 maple trees per square mile.