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BECE Mathematics 2010 Paper
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© africaexams.com
Question : 4
Total: 40
The sum of 5 and
x
divided by 4 is equal to 3.25 . Find the value of
x
.
8
7
2
1
4
−
3
4
13
Validate
Solution:
Sum means addition.
5
+
x
4
=
3.25
3.25
=
325
100
5
+
x
4
=
325
100
Cross multiply and solve for
x
100
(
5
+
x
)
=
4
×
325
100
×
5
+
100
×
x
=
1300
500
+
100
x
=
1300
100
x
=
1300
−
500
100
x
=
800
Divide both sides by 100 .
x
=
800
100
x
=
8
© africaexams.com
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