Question

The cost of 5kg of sugar and 7 kg of rice is Rs.153,and the cost of 7 kg of sugar and 5 kg of rice is Rs. 143. Find the cost of 6 kg of sugar and 10 kg of rice.​

Answer 1

Answer:

this is the answer for your question

Answer 2

Answer:

Rs. 207.33

Step-by-step explanation:

Sugar cost- s

Rice cost- r

1. 5s+7r=153

2. 7s+5r=143

6s+10r=?

Add up equations 1 and 2

• 5s+7s+7s+7r=153+143
• 12(s+r)=296
• s+r=296/12

4. s+r= 74/3

Subtract equation 2 from equation 1

• 5s+7r -7s-5r=153-143
• 2r-2s=10

5. r-s=5

Add up equations 4 and 5

• s+r+r-s= 74/3+5
• 2r=89/3
• r= 89/6 - price of rice
• s= r-5
• s=59/6 - price of sugar

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6s+10r= 6*59/6+10*89/6= Rs. 207.33