In the given problem, apply your knowledge in algebraic and basic mathematics specially solving word problems involving linear equation.
Given:
earns a commission of P80.00 for each oven
P50.00 for each electric fan
P3000.00 or more in commissions
Solution:
Let x stands for the number of oven she sells, and y for electric fan
Total Commission = 80(x) + 50(y)
3000 = 80(x) + 50(y)
Simplify
3000 = 80(x) + 50(y)
1/10[3000] = 1/10[80(x) + 50(y)]
300 = 8x + 5y
3000 or more means greater than or equal to 3000
8x + 5y ≥ 300
5y ≥ 300 - 8x
y ≥ 60 - 1.6x
Set values for x to get the value of y.
If x = 10, y ≥ 60-1.6(10) → y ≥ 44
Answer:
If she sells 10 oven, she must sell 44 or more electric fan.
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