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1991 AJHSME Problems/Problem 1

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Problem

$1,000,000,000,000-777,777,777,777=$

$\text{(A)}\ 222,222,222,222 \qquad \text{(B)}\ 222,222,222,223 \qquad \text{(C)}\ 233,333,333,333 \qquad \text{(D)}\ 322,222,...$

Solution

$\begin{align*}1,000,000,000,000-777,777,777,777 &= 999,999,999,999-777,777,777,777+1 \\&= 222,222,222,222+1 \\&= ...$

See Also

1991 AJHSME (Problems • Resources)
Preceded by First Problem	Followed by Problem 2
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25

Retrieved from "http://www.artofproblemsolving.com/Wiki/index.php/1991_AJHSME_Problems/Problem_1"

Category: Introductory Algebra Problems

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