SOLUTION: A book store sold 144 graphing calculators using two different models. Some of these were the Basic Grapher Model (which sells for $23 each) and the rest were the exquisite Super

Question 1120005: A book store sold 144 graphing calculators using two different models. Some of these were the Basic Grapher Model (which sells for $23 each) and the rest were the exquisite SuperGrapher model (which sells for $90 each). The book store received a total of $10347 from that sale of these two calculators. Using algebra find how many of the BasicGrapher and how many of the SuperGrapher were sold.
Thank you
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
B- number of basic calculators
S- number of super calculators
1. - Total number of calculators
.
.
2. - Total value of calculators
From 1,

Substitute into 2,

Solve for S then use either equation to solve for B.

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