Bola sold an article for N6 900 00 and made a p... - WAEC Mathematics 2010 Question
Bola sold an article for N6,900.00 and made a profit of 15%. If he sold it for N6,600.00 he would make a
A
profit of 13%
B
loss of 12%
C
loss of 10%
D
loss of 5%
correct option: c
s.p = N6900
%profit = 15%
%profit = (\frac{s.p - c.p}{c.p}) x 100%
15% = (\frac{6900 - c.p}{c.p}) x 100%
(\frac{15}{100})c.p = N6900 - c.p
0.15 c.p = N6900 - c.p
1.15c.p + c.p = N6900
c.p = (\frac{6900}{1.15})
= 6000.00
Now new S.P = N6600
profit = s.p - c.p = 6000 - 6600
= 600
%profit = (\frac{600}{6600}) x 100%
= 10%
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