Quote:
Your supervisor instructs you to purchase 240 pens and 6 staplers for the nurse’s station. Pens are purchased in sets of 6 for $2.35 per pack. Staplers are sold in sets of 2 for 12.95. How much will purchasing these products cost?
A. $132.85
B. $145.75
C. $162.90
D. $225.25
E. $226.75
Total number of pen sets purchased = 240/6 = 40, hence total cost of purchasing pens = 40*2.35
Total number of stapler sets purchased = 6/2 = 3, hence total cost of purchasing staplers = 3*12.95
Total purchasing cost = (40*2.35) + (3*12.95)
Calculate the approximate cost by rounding 2.35 to 2.3 and 12.95 to 13, as you can see options are quite far away
~ (40*2.3) + (3*13)
~ 92 + 39
~ 132
A is correct _________________
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