Question

the cost of 8 bags of washing powder in each weighing 1 kg is rupees 840 find the cost of 12 bags of the same each weighing 1.5 kg

Answer 1

Let the Cost of bags of washing powder be X
8X = 840
X = 840/8 = Rs105
Cost of 12 bags = 12×105 = Rs1260

Answer 2

Answer:1890 Rs

Step-by-step explanation:

Let the cost of bags of washing power =x

Now ,. 1kg=840 Rs

Then 8x=840 Rs

X=840/8

= 105 Rs

According to question,

Each weighing =1.5 kg

Then ,. 8x=840+840/2

8× = 840+420=1260

×=1260÷8

×= 315÷2

Then. ×=(315÷2) ×12

×= 1890 Rs. Answer

SOLVE BY MUKESH SHRIVASTAV