Detailed Instructions: Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.
Q: Problem: 130 kg of an alloy a is mixed with 160 kg of alloy b. if alloy a has lead and tin in the ratio 2: 3 and alloy b has tin and copper in the ratio 3: 4, then the amount of tin in the new alloy is ?
Options: a. 140.6 kg, b. 145.3 kg, c. 146.5 kg, d. 110.8 kg, e. 114 kg
A:
c