110 Let a = 88 denote the current prices of three items at a store. Suppose...

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110 Let a = 88 denote the current prices of three items at a store. Suppose that the 40 store announces a sale so that the price of each item is reduced by 20%. a. Find a 3-vector that gives the price changes for the three items. b. Find a 3-vector that gives the new prices of the three items. 110 Let a = 88 denote the current prices of three items at a store. Suppose that the 40 store announces a sale so that the price of each item is reduced by 20%. a. Find a 3-vector that gives the price changes for the three items. b. Find a 3-vector that gives the new prices of the three items.