Answer:
I need points
Step-by-step explanation:
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Area is 93.73
Volume is 299.36
Area of all 4 walls is 116.48
2.57 is the anwser. it comes out to be 2.56666667 which woukd round up to 2.57
0 and 2 is the most logical answer
I'm pretty sure $39.31 was the original sales cost because if you use proportions to find out what is 7.2% of 42.35 ( what you get you you subtract 45 by 2.65). Your equation would be x/42.35 = 7.2/100. 42.35 is the whole because tax is adding money onto your original cost, making that the part. When you cross multiply you get 100x = 304.92. Then you divide by 100 on both sides to isolate the variable, to get x = 3.04. But you don't stop there. Since 3.04 is only the 7.2%, you have to subtract that by 42. 35 to get a sum of 39. 31 as your total.
