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WAEC Mathematics 2013 Paper
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© africaexams.com
Question : 8
Total: 48
Four oranges sell for Nx and three mangoes sell for Ny. Olu bought 24 oranges and 12 mangoes. How much did he pay in terms of x and y?
N94x + 6y)
N(6x + 4y)
N(24x + 12y)
N(12x + 24y)
Validate
Solution:
4 oranges sell for Nx, 1 orange will sell for
N
x
4
24 oranges will sell for:
N
x
4
×
24
= n6x
3 mangoes sell for Ny, 1 mango will sell for
N
y
3
12 mangoes will sell for
N
y
3
×
12
= 4Ny
total money pay N6x + N4y = N(6x + 4y)
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