SOLUTION: The revenue achieved by selling x graphing calculators is figured to be The cost of each calculator is How many graphing calculators must be sold to make a profit (revenue - cost)

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Question 1074718: The revenue achieved by selling x graphing calculators is figured to be The cost of each calculator is How many graphing calculators must be sold to make a profit (revenue - cost) of at least $46.20?
Answer by josgarithmetic(39620) About Me  (Show Source):
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The revenue achieved by selling x graphing calculators is figured to be The cost of each calculator is How many graphing calculators must be sold to make a profit (revenue - cost) of at least $46.20?
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Revenue figured to be, what?
Cost of each calculator, is what?

No values given in description.
Some variables then:
r, revenue
t, cost of each calculator

r-tx=46.2

-tx=46.2-r

x=%28r-46.2%29%2Ft
Value for x needs values for r and t.