All of the following ratios are equivalent except answers
8 two 12
15 over ten
2 over 3
6: 9

Karen is financing $291,875 to purchase a house. she obtained a 15/5 balloon mortgage at 5.35%. what will her balloon payment be? a. $220,089.34 b. $219,112.46 c. $246,181.39 d. $230,834.98

Can any one me with the answers to these questions asap?

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?