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Paul buys a number of large sacks of fertiliser costing $ x each. He spends $ 27.

a) write down, in terms of x, an expression for the number of large sacks which paul buys.
b) Rula buys a number of small sacks of fertiliser. Each small sack costs $ 2 less than a large sack. Rula spends $ 25.
Write down in terms of x, an expression for the number of small sacks which Rula buys.


a)First, let the large sacks be 'l'.  If one is large sacks is l so its obvious that it should be equal to lx. SO the equation is nothing but 27=lx.
b)So lets take s as small sacks. Then the equation is S(x-2)=25.

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