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National and Regional Contests
USA Contests
USA - Middle School Tournaments
Math Invitational for Girls
2018 MIG
3
3
Part of
2018 MIG
Problems
(2)
2018 Individual #3
Source:
5/5/2022
Solve for
x
x
x
if
4
x
+
1
=
37
4x + 1 = 37
4
x
+
1
=
37
.
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A
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4
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5
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7
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9
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10
<span class='latex-bold'>(A) </span>4\qquad<span class='latex-bold'>(B) </span>5\qquad<span class='latex-bold'>(C) </span>7\qquad<span class='latex-bold'>(D) </span>9\qquad<span class='latex-bold'>(E) </span>10
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4
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5
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7
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9
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E
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10
2018 Individual
2018 Team #3
Source:
1/13/2023
6
6
6
cats can eat
6
6
6
fish in
1
1
1
day, and
c
c
c
cats can eat
91
91
91
fish in
d
d
d
days. Given that
c
c
c
and
d
d
d
are both whole numbers, and the number of cats,
c
c
c
, is more than
1
1
1
but less than
10
10
10
, find
c
+
d
c + d
c
+
d
.
2018 Team