A bus traveled 120 mi in 2.5h. after picking up new passengers. it traveled another 105 mi in 2h. what was the average speed of
1 answer:
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9(2w−y)=21w−9y
First you multiply the numbers in the parenthesis by 9
subtract. 21w-18w=3w
add. -9y+9y=0
divide.
Final answer is 0.