Assume there are two goods, good X and good Y. Good X costs $5 and good Y costs $10. If your income is $200, which of the following combinations of good X and good Y is on your budget line?
A consumer is spending all of her income and receiving 100 utils from the last unit of good A and 80 utils from the last unit of good B. If the price of good A is $2 and the price of good B is $1, to maximize total utility the consumer should buy