B is the answer if it is x + 9=20
0.833333… it goes on forever
He earned $20 because 20% of $100 is $20
Answer:
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Step-by-step explanation:
NawfSide 38 Baby
Remember, mean is average. So first you add them all up, and then divide by the total number. All the dollars added up and then divided by 6 equals 59. So, working backwards, if you multiply 6 (the number of categories) by 59 you get the total of all money earned from every category. 6 times 59 equals 354. But if you add what you can see right now, it only equals 274. So the t-shirt total must be the difference between the two... 80 dollars.