A shop sells mangoes at a price of x dollars per kg in March. In April, the price decreases by \$3.20 per kg. With \$160, Ali can buy 5 kg more mangoes in April than in March. What equation in x represents this situation?

\dfrac{160}{x-3.2} = \dfrac{160}{x} + 5

\dfrac{160}{x} = \dfrac{160}{x-3.2} + 5

\dfrac{160}{x-3.2} = \dfrac{160}{x} - 5

\dfrac{160}{x} - \dfrac{160}{x-3.2} = 5

EM-1864

Forming equations from word problems

E Math · Secondary 4 · Medium · Forming equations from word problems

A shop sells mangoes at a price of

x

dollars per kg in March. In April, the price decreases by \$3.20 per kg. With \60, Ali can buy 5 kg more mangoes in April than in March.

What equation in

x

represents this situation?

$\dfrac{160}{x-3.2} = \dfrac{160}{x} + 5$
$\dfrac{160}{x} = \dfrac{160}{x-3.2} + 5$
$\dfrac{160}{x-3.2} = \dfrac{160}{x} - 5$
$\dfrac{160}{x} - \dfrac{160}{x-3.2} = 5$

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