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32 votes
32 votes
C bought 2 pens, a book and a bag from a bookstore. The book cost three times as much as the pen, and the bag cost $15 more than the book. She spent $175 altogether. What was the cost of the book?

User Benkax
by
2.5k points

2 Answers

19 votes
19 votes

Answer:

$68 58 = book ($)

Explanation:

bk bg p 30 (30+15) 10 60 75 20 = 155 ($) 175-155 = 20 20/7 = 2.867 *3 each part + 8.58 + 8 .58 + 2.86 68.58($) 83.58 ($) and 22.86 ($) plug in 22.86 * 3 = 68.58 proof 68.58+15 = 83.58

User Chris Hogan
by
3.0k points
21 votes
21 votes

Answer: Let penz cost be X,

Total cost=175,

》3(X)+(X+15)+2×X=175

》3X+X+15+2X=175

》6X=160

》X=$40. That’s pen’s cost.

Therefore,cost of book= 3×40

=$120.

Explanation:

User Bitbucket
by
3.0k points
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