MathDB
Problems
Contests
National and Regional Contests
USA Contests
MAA AMC
AMC 8
1999 AMC 8
16
16
Part of
1999 AMC 8
Problems
(1)
1999 AMC 8 #16
Source:
6/17/2011
Tori's mathematics test had 75 problems: 10 arithmetic, 30 algebra, and 35 geometry problems. Although she answered
70
%
70\%
70%
of the arithmetic,
40
%
40\%
40%
of the algebra, and
60
%
60\%
60%
of the geometry problems correctly, she did not pass the test because she got less than
60
%
60\%
60%
of the problems right. How many more problems would she have needed to answer correctly to earn a
60
%
60\%
60%
passing grade?
(A)
1
(B)
5
(C)
7
(D)
9
(E)
11
\text{(A)}\ 1\qquad\text{(B)}\ 5\qquad\text{(C)}\ 7\qquad\text{(D)}\ 9\qquad\text{(E)}\ 11
(A)
1
(B)
5
(C)
7
(D)
9
(E)
11
geometry