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4. Hakim buys n kg of rice. Vanu buys 2 kg more rice than Hakim. Kevin buys one-fifth of the amount of rice that Vanu buys. (a) Find the total amount of rice that Hakim and Kevin buy altogether.
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Sep 12, 2022
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4. Hakim buys n kg of rice. Vanu buys 2 kg more rice than Hakim. Kevin buys
one-fifth of the amount of rice that Vanu buys.
(a) Find the total amount of rice that Hakim and Kevin buy altogether.
Mathematics
high-school
Charese
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Rice bought by
Hakim : n kg
Vanu : n+2 kg
Kevin : 1/5(n+2) kg
Hakim + Kevin : n + 1/5(n+2)
= n + (n+2)/5
= n/5n + n^2+2n/5n
= n+n^2+2n/5n
= 3n + n^2/5n
= 3+n/5
TheDuncs
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Sep 15, 2022
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