Question
The total cost of a ring, a radio and a calculator is $260. The radio costs thrice as much as the calculator. The ring costs thrice as much as the radio. Find the difference in the cost between the ring and the radio.
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The total cost of a ring, a radio and a calculator is $260. The radio costs thrice as much as the calculator. The ring costs thrice as much as the radio. Find the difference in the cost between the ring and the radio.