Question

A and B sold two articles at 25% profit and 40% profit respectively. If tot profit is rs. 178 and the cost price of A is rs 120 less than B.find the CP of B

Answer 1

Answer:

148.57

Step-by-step explanation:

Explain in the image

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Answer 2

Answer:

let C.P of B= x

let C.P of A = x-120

profit of A= (x-120)*25/100

= (x-120)/4

profit of B=(x*40)/100

=x*2/5

(x-120)/4+x*2/5 =178

taking lcm of 4 and 5 =20

equation becomes 5x-600+8x =178*20

from here x=320

cp of B=320

cp of A=200

for checking, profit of B =320*40/100 =128

profit of A =200*25/100=50

128+50=178 total profit