Total = 65
65-23=42
42/3=14
Each necklace = $14
Simple interests will only take into account the principle, but compound interest adds money to interest earned AND the principle.
Raising a number to the 1/2 power means taking its square root.
Answer:
The price before tax was $110
Step-by-step explanation:
Here the price paid totals $129.25, including b (the pre-tax price) an 17.5% of b: b + 0.175b = $129.25. Combining the b terms, we get:
1.175b = $129.25. Solving for b by dividing both sides by 1.175, we get
b = $110. The price before tax was $110.
2000 = x * y
y = 2000 / x
c = 0.3 * (2y + x) + 0.5x = 0.6y + 0.8x = 0.6 * 2000 / x + 0.8x = 1200/x + 0.8x
