Answer:19 would be 79 because you would do 8 plus itself 7 times which would be like 8*7 which is 56 so 56+23 is 79 im not sure what 18 is because im not sure if its x*2 or x^2 but 20 would just be 38/4 which is 9.5 so the answer for 20 is that Becca makes $9.5 dollars an hour.
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