1987 AMC 8 Problem 2

Attempt Problem 2 of the 1987 AMC 8 below, then check your answer against the professionally curated solution from LIVE by Po-Shen Loh. You can also try the full timed exam, view all 1987 AMC 8 solutions, or check the answer key.

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2.

What is 225\dfrac{2}{25} written as a decimal?

0.0080.008

0.080.08

0.80.8

1.251.25

12.512.5

Answer: B
Concepts:fractiondecimal
Difficulty rating: 560
Small Hint:

Rewrite the fraction with a denominator of 100100

Big Hint:

Multiply the numerator and denominator by 44

Solution:

Multiplying top and bottom by 44 gives 225=8100=0.08.\dfrac{2}{25} = \dfrac{8}{100} = 0.08.

Thus, the correct answer is B .

Problem 1#1
Full Exam

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