any number that doesn't have a variable can not go into a number that has variable so there would only be 1
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11, because 11 times 1 is 11 and 11 times 4 is 44.
7) 52h because that's how you'd find the distance traveled if there was a number instead of a variable.(d=st)
8)525+3w because you have to add his original total to the amount of cds he will get and if he gets 3 every week that's 3w and then you add them to get the new total.