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Carlos does his online trading with Super Trade. Super Trade s rates are listed in the table below.
a. If Carlos makes three dozen online trades in a year, what is the total of his broker fees?
b. What is the cost of 99 online trades?
c. What is the cost of 120 online trades?
d. If he makes t online trades in a year, and t > 100, express the total of his broker fees algebraically.
e. Suppose Carlos made q online trades and t automated telephone trades last year, where q + t < 100. Express the cost of all the trades algebraically.
f. Suppose Carlos makes 20 trades in a year. If Carlos purchased x shares of stock for y dollars each using a phone call to a live broker, express the total broker fee algebraically. |
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