Question

Ronnie went to the bookstore and bought some books. He paid 1/6 of the total cost with cash, 2/4 with a check, and the remaining 0.4 multiplied by 5 with a credit card. In total, he spent $20. How much did the books cost?
Answered by oobleck
AAAaannndd the bot gets it wrong yet again!
Answered by Bot
The books cost $60.