Question

There are three convenience stores in Gambier. This week, Store I sold 80 loaves of bread, 40 quarts of milk, 12 jars of peanut butter, and 116 pounds of cold cuts. Store ll sold 108 loaves of bread, 75 quarts of milk, 21 jars of peanut butter, and 153 pounds of cold cuts. Store Ill sold 60 loaves of bread, 30 quarts of milk, no peanut butter, and 70 pounds of cold cuts. Complete parts (a) through (c) below. (a) Use a 3x4 matrix to express the sales information for the three stores. Select the correct answer below. 40 12 80 116 40 12 116 80 OA 21 108 153 75 70 0 60 30 80 40 12 116 ОС. | 108 75 21 153 60 30 0 70 В. | 108 21 153 75 60 0 30 70 80 12 116 40 O D. 108 75 153 21 60 0 70 30 (b) During the following week, sales on these products increased at Store l by 25%, sales at Store Il increased by one-third, and sales at Store Il increased by 10%. Write the sales matrix for that week. 100 145 50 15 100 15 50 145 OA 144 28 100 204 33 0 66 77 100 50 15 145 O C. 144 100 28 204 66 33 0 77 ОВ. | 204 100 144 28 33 77 66 0 100 15 145 50 O D. 100 204 28 144 66 77 0 33 (c) Write the mtix that represents total sales over the two-week period. 90 27 180 261 OA 175 49 357 252 63 0 126 147 180 90 27 261 ОС. | 252 175 49 357 126 63 0 147 27 180 261 90 OB. | 175 49 252 357 126 63 1470 180 90 261 27 D 357 175 252 49 63 63 147 0

Answer 1

Mows 3 stores Stor and an ad8 Theーー3.xy .gales matrix IC din aivena braad Cold Cut ea n rdb (Ab 12 3fore- 36 40 21 75 153 30 70

Now oha Salas Matrix for guien af 168 15 21I53 60 36 0 ce) the llawino weal tor store25 1/6 6x21 40 Yo L00 2g 40+16 (12+L 80 +2 124 50 5 45 3 tore ase b 53+153 153+5 75 +25 (a 08 +36 4u 204 s tora I ase TO 41tentnん Now-tba --. Salt matrix 1 Bえ 144 1o2% 26y “ 33。77

PAGE NO. gau A- -60-35 0 70 6 77 66 252 175 49 3S7 26 63 4