On the way to work Stan can drive his 60-mile commute in 1 hour. However, because of traffic, it takes 3 hours to get home. What is his average speed for the round trip? A. 30 miles per hour
B. 20 miles per hour
C. 60 miles per hour
D. 40 miles per hour

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Look, when you want to do something like put it like x^2. x2 could mean x² or x₂. so to clear confusion, know the notation. to find the product multiply the x's and you get -8x and the y's and you get 6y. since it's all being multiplied it is just -8x6y, or answer a. although the better answer is -48xy(combining -8 and 6) because you should multiply constants whenever you can.