Andrew buys 4 books for the same price, and also a video for $18. His total bill was $110. What was the cost of a book
1 answer:
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Answer:
Forth term = x + 6
Fifth term = x + 8
Sixth term = x + 10
Formular for nth term:
So we are given the expression:
÷
When we divide fractions, we must flip the second term and change the sign to multiplication:
And then we multiply across:
Then we can break apart all of the like variables for simplification:
When we simplify variables through division, we subtract the exponent of the numerator from the exponent of the denominator. So we then have:
So then we multiply all of these simplified parts together:
So now we know that the simplified form of the initial expression is: .