Explanation: y would be the total amount after x weeks. So, to find the answer, simply go through your choices and insert x and y. Both y's for Joy and Cullen have to match up for the answer to be correct.
The sale price is basically the new price of the bycicle. Therefore, is all bycicles cost 7/8 of their normal value, . So during this sale at the sporting goods store, the bycicle would cost 700 dollars.