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poojaarora1818
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Maxten
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3600 = 1.2x , X is C.P of laptop

so C.P of laptop = 3000
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Maxten
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Laptops cp is 3000 it’s easy

But how cell phone
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so then take 0.9x as S.P of cellphone and x as C.P

Total C.P = 3000 + X

Total S.P = 3600 + 0.9X

since no profit or loss, S.P = C.P

solve for X, value comes to be 6000

did that help?
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Maxten
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I am confused I think it’s my bad day but explain further please
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aayushimehta12
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since there is no profit and loss in total. Take your mind to calculating total S.P and total C.P

you with me on this?

You know the S.P and C.P of laptop is 3000 and 3600 respectively
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now what is left is cellphone, cellphone was sold at a loss of 10%. So let’s Take C.P as X of cellphone then S.P is 100-10% i.e 90%. So S.P = 0.9x and C.P = x

of cellphone

got it till here

?
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I did that

I got 0.90
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aayushimehta12
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now add both laptop and cellphone. SP = CP

because

so total S.P is 3600 + 0.9x
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and total C.P is 3000 + x

we know that S.P = C.P + profit or loss. In this case there is no profit or loss. So S.P = C.P
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Maxten
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Yup I got that from question
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aayushimehta12
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equate them both. 3000 + x = 3600 + 0.9x

it comes to be 6000 = 0.1 x

Sorry 600 = 0.1 x

600/0.1 = x,

X= 6000
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What 600 divided by 0. 1 is 6000
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aayushimehta12
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yes because to make them both integers, simply multiply 10 in both denominator and numerator

you will get 6000/1

which is 6000
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Maxten
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I thought maths was hard because I choose finance in 11 th but now I really know it’s hard
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aayushimehta12
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u get the hang of it.
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Maxten
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How you generate thinking process
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0.1 is just 10/100. if you don’t want to divide , multiply 600 with reciprocal

i.e 100/10

division can be avoided if need be.
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