Africa Exams
Where Preparation Meets Success
Home
Botswana
Botswana PSLE Papers
Botswana JCE Papers
Botswana BGCSE Papers
Ghana
Ghana BECE Exams
Kenya
Kenya KCPE Papers
Kenya KCSE Papers
Kenya KASNEB Papers
Nigeria
WAEC Exams
JAMB Exams
Rwanda
Rwanda Primary Papers
Rwanda Secondary Papers
Uganda
Uganda PLE Papers
Uganda UCE Papers
Uganda UACE Papers
Certifications
Technical
Cloud Tech Certifications
Security Tech Certifications
Management
IT Infrastructure
More
About
Contact Us
Our Apps
Privacy
+
-
Test Index
WAEC Mathematics 2015 Paper
Show Para
Hide Para
Share question:
© africaexams.com
Question : 35
Total: 45
A farmer uses
2
5
of his land to grow cassava,
1
3
of the remaining for yam and the rest for maize. Find the part of the land used for maize
2
15
2
5
2
3
4
5
Validate
Solution:
Let x represent the entire farmland
then,
2
5
x +
1
3
[x -
2
3
x
] + M = x
Where M represents the part of the farmland used for growing maize, continuing
2
5
x +
1
3
x [1 -
2
3
x
] + M = x
2
5
x
+
1
3
x [
3
5
] + M = x
2
5
x +
1
x
5
+ M = x
3
x
5
+
M
=
x
M = x -
2
5
x
= x[1 -
3
5
]
= x[
2
5
] =
2
x
5
Hence the part of the land used for growing maize is
2
5
© africaexams.com
Go to Question:
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
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
Prev Question
Next Question
