Grace works as a salesperson at an electronics store and sells phones and phone accessories, and makes a fixed commission for each phone sale and a different fixed commission for each accessory sale. Yesterday Grace sold 18 phones and 21 accessories and made a total commission of $204. Today she sold 6 phones and 14 accessories and made a total commission of $82. Determine the price of each phone and the price of each accessory. Grayson went to the grocery store and bought bottles of soda and bottles of juice. Each bottle of soda has 35 grams of sugar and each bottle of juice has 15 grams of sugar. Grayson purchased 6 more bottles of soda than bottles of juice and they all collectively contain 410 grams of sugar. Determine the number of bottles of soda purchased and the number of bottles of juice purchased.