wag matrix gives the number of vehicles sold in January at a car dealership Use the matrix to complete parts (a) through (c) below Cars Trucks 18 12 28 16 New Used (a) In February, the new car sales decreased by 4, but the new truck sales increased by 25% The used car sales increased by 50% while the used truck sales increased by 7. Write the vehicle sales matrix for February 14 15 42 23 (b) Write a matrix that represents the total vehicle sales over the two month period

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