Algebra Puzzle – Challenge 37
Algebra Puzzle - Challenge 37 is a multiple-choice math challenge from Effortless Math. Read the problem, choose from the answer options below, then open the solution to see the full step-by-step working and check your reasoning against it.
This is a great critical thinking challenge for those who enjoy teasing their brain and testing their logic.
Challenge:
Alice bought two books with (frac{2}{5}) of her money and bought 4 pencils with (frac{2}{9}) of her remaining money. If the price of each book was $15, what was the price of each pencil?
A- $1.00
B- $2.50
C- $4.00
D- $6.50
E- $8.00
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The correct answer is C.
Let x be the Alice’s money. Then: (frac{2}{5}x = $15 + $15 = $30
X = $75)
After buying two books, Alice has $45. (frac{2}{9}) of $45 is $10.
10 ÷ 4 = 2.5
The price of each pencil was $2.50The Absolute Best Books to Ace Algebra
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