Fourteen hours. The equation is 5x+20=90. Solve for X.
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Step-by-step explanation:
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Answer:
1. $264.52 is the remaining 68%
2. Sales tax is $19.83
3. The total price is 283.83
Explanation:
1. 389 times 0.68 will get you an answer of $264.52
2. 264.52 times 0.075 is $19.83
3. Add your two answers of $264.52 and $19.83 and you'll get your answer of $283.83
It's a geometric sequence.
It's the sum for term 4 through term 15.
