exam Maths Puzzle Numerical Ability

A shopper buys 3 oranges and 5 lemons for $10.26. A second shopper buys 6 oranges and 4 lemons for $11.16. What is the price of each fruit?

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This problem is from the "Cracking the New SAT" from Princeton Review, on page 209, from the heading "solving rational equations":((((6x7+9x4)/(2x6+6x2)=54))) Note: the answer is Please help w/ the following:

Find x if e^59x =8, and you are given ln 8=2.0794

Thank You.