SOLUTION: The Everton College store paid $1667 for an order of 46 calculators. The store paid $11 for each scientific calculator. The others, all graphing calculators, cost the store $54 eac

Question 163313: The Everton College store paid $1667 for an order of 46 calculators. The store paid $11 for each scientific calculator. The others, all graphing calculators, cost the store $54 each. How many of each type of calculator was ordered?
The store ordered ___ scientific calculators and ___ graphing calculators.
Answer by jojo14344(1513) (Show Source): You can put this solution on YOUR website!

Total calculators=46
So, -------------------------> eqn 1
In eqn 1 we get,
----------------------------> eqn 2
Also,
----------------------> eqn 3
Subst. eqn 2 in eqn 3,

, Number of Graphic calc.
Via eqn 2:
, Number of Scientific calc.
Check via eqn 3:

Thank you,
Jojo
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