Math, asked by mrutyunjay09, 2 days ago

3kg patato and 4k.g. brinjal cost price 40 rupees. 4k.g. patato and 3k.g. brinjal cost price 37 rupees.then how much cost price will be 8k.g. patato and 7k.g. brinjal . Math solution

Answers

Answered by jeevashankar2
0

Answer:

3p+4b=40

4p+3b=37

on simplifying,

12p+16b=160

12p+9b=111

on simplifying

7b=49

b=7

therefore

p=4

finally

8p+7b= 8*4+7*7= 81.

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