Math Problem Statement
A gadget enthusiast Nick decided to buy some electronic accessories at a tech store. He aimed to buy twice as many Bluetooth tracker as USB cables and at least one more USB cables than wireless chargers. USB cables cost three times as much as wireless chargers, and wireless chargers are priced at half the cost of Bluetooth trackers. Each wireless charger costs €1, and Nick's total bill came to €47.
The total number of gadgets purchased by Nick is
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Systems of Equations
Formulas
y = x + 1 (USB cables are at least one more than wireless chargers)
z = 2y (Bluetooth trackers are twice as many as USB cables)
x + 3y + 2z = 47 (Total cost equation)
Theorems
Linear equation solving
Substitution method
Suitable Grade Level
Grades 8-10
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