SOLUTION: The Everton College store paid $1700 for an order of 48 calculators. The store paid $8 for each scientific calculator. the others, all graphing calculators, cost the store $55 each
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Question 457515: The Everton College store paid $1700 for an order of 48 calculators. The store paid $8 for each scientific calculator. the others, all graphing calculators, cost the store $55 each. How many of each type of calculator was ordered?
x +y = 48
8 + 55 =1700 - now I get confused, can someone direct me? Answer by rfer(16322) (Show Source):
You can put this solution on YOUR website! s+g=48 g=48-s
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8s+55g=1700
8s+55(48-s)=1700
8s+2640-55s=1700
-47s=-940
s=20 scientific
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8*20+55g=1700
160+55g=1700
55g=1540
g=28 graphing
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