Math, asked by charlotteds9, 1 year ago

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.

Answers

Answered by karneet
16
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.

Answered by amitnrw
8

Given:  Paul buys a number of large sacks of fertiliser costing $ x each

To Find :  expression for the number of large sacks which paul buys.

Solution:

Paul buys a number of large sacks of fertiliser costing $ x each

number of large sacks which paul buys = n

=> Cost of  n large sacks of fertiliser = n * x  $

Paul spends $ 27.

=> nx = 27

=> n = 27/x

27/x  is the Expression for the number of large sacks which paul buys

Rula buys a number of Smaller sacks of fertiliser costing $ (x-2) each

number of large sacks which Rula buys = p

=> Cost of  p smaller sacks of fertiliser = p * (x-2)  $

Rula spends $ 25.

=>  p * (x-2) = 27

=> p = 25/(x - 2)

25/(x - 2) is the Expression for the number of large sacks which Rula buys

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