Matt wants to buy a television. if he pays cash, he gets a discount of 7%. if he pays with a loan he has to pay an extra 10% in interest. the difference between the two methods is $49.98. find the cost of the television.

Jane is trying to decide how many tv shows she should watch tonight. she gets $10 of value from each tv show she watches. if she watches one show she gives up working on her math homework (which she values at $5). if she watches two, she also gives up her economics homework (which she values at $8). if she watches three then she also has to give up her biology homework (which she values at $12). using marginal analysis, how many shows does she watch? one