A car uses one litre of petrol for every 14km. If one of petrol cost N63.00, how far can the car go with N900.00 worth of petrol?
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Correct Answer: Option D
Explanation:
1 litre = N63.00
xlitres = N900.00
x x N63 = N900 x 1 litre
x = \(\frac{900}{63} \times litre\)
x = \(\frac{100}{7}\) litres
Also, 1 litre = 14km
\(\frac{100}{7}\) = y
y x 1 litre = \(\frac{100litre}{7}\) x 14km
y = 20km
1 litre = N63.00
xlitres = N900.00
x x N63 = N900 x 1 litre
x = \(\frac{900}{63} \times litre\)
x = \(\frac{100}{7}\) litres
Also, 1 litre = 14km
\(\frac{100}{7}\) = y
y x 1 litre = \(\frac{100litre}{7}\) x 14km
y = 20km