48
The cost of 20 folders and 15 pens is Rs. 995. What is the cost of 12 folders and 9 pens ?
- ARs. 652
- BRs. 597
- CRs. 447
- DCannot be determined
Answer not set
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0
CCommunity
Solution
Let the cost of a folder = Rs. $x$
and cost of a pen = Rs. $y$
=> $20x + 15y = 995$
Multiplying the above equation by $(\frac{3}{5})$, we get :
=> $\frac{3}{5} \times (20x + 15y = 995)$
=> $12x + 9y = 597$
$\therefore$ Cost of 12 folders and 9 pens is Rs. 597
Let the cost of a folder = Rs. $x$
and cost of a pen = Rs. $y$
=> $20x + 15y = 995$
Multiplying the above equation by $(\frac{3}{5})$, we get :
=> $\frac{3}{5} \times (20x + 15y = 995)$
=> $12x + 9y = 597$
$\therefore$ Cost of 12 folders and 9 pens is Rs. 597
0
CCommunity
Solution
Let the cost of a folder = Rs. $x$
and cost of a pen = Rs. $y$
=> $20x + 15y = 995$
Multiplying the above equation by $(\frac{3}{5})$, we get :
=> $\frac{3}{5} \times (20x + 15y = 995)$
=> $12x + 9y = 597$
$\therefore$ Cost of 12 folders and 9 pens is Rs. 597
Let the cost of a folder = Rs. $x$
and cost of a pen = Rs. $y$
=> $20x + 15y = 995$
Multiplying the above equation by $(\frac{3}{5})$, we get :
=> $\frac{3}{5} \times (20x + 15y = 995)$
=> $12x + 9y = 597$
$\therefore$ Cost of 12 folders and 9 pens is Rs. 597