Luke buys a bicycle that is on sale for 1/2 of the original price. the sale price is $80 less than the original price. what is the original price, in dollars, of the bicycle? explain

Jane is cooking beans and rice for dinner tonight. she has 4 cans of black beans, 6 cans of red beans, and 3 cans of garbanzo beans in her cupboard. if she grabs a can of beans without looking at the label, what is the probability of her making black beans and rice for dinner?