Are the ratios 6: 12 and 1: 2 equivalent?

Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Timmy uses 1 1 2 cups of sugar for every 2 gallons of lemonade he makes. how many cups of sugar would timmy use if he makes 13 gallons of lemonade?