The monthly revenue of a certain company is given by R 820p-7p, where p is the price in dollars of the product the company manufactures. At what price will the revenue be $12,000 if the price must be greater than $50? $ The revenue will be $12,000 when the price of the product is (Simplify your answer.)

she played for 18.75 hours.

step-by-step explanation:

if she played 2/4 of a hour on tuesday. and there is 60 minutes in an hour and 60 divided by 4 is 7.5. and she played 2/4 of an hour on thursday then again 60 divided by 4 is 7.5, you add 7.5+7.5=56.25. now you have to do 1/4 of an hour, it equals 3.75. now you have to add them all up. 3.75+7.5+7.5=18.75

i hope this and i hope you get it right. it took me a while to get this done for you. : )

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investment b is an ordinary annuity with $3,909.64 in the account after one year.

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