Math, asked by yours84, 1 year ago

selling price is 390 profit is 30%. then cost price =?

sairaju30: first of all u learn the formula

smartgamerdude: why would you multiply by 100? what formula is that?! I really never learned that

smartgamerdude: im not sure what that guy really did to be honest

smartgamerdude: this website should clear any doubts you may have with my answer - https://bit.ly/2KPlv3B

sairaju30: bye

smartgamerdude: However, Thank You for putting my answer as the brainliest answer! That was really appreciated :)

sairaju30: totally understand

smartgamerdude: the formula makes no sense whatsoever

smartgamerdude: if you get your question wrong, not my problem

sairaju30: ok

Answers

Answered by brainlyuser13

SP = Rs. 390
Profit = 30 %

$cost \: price \: = \frac{390 \times 100}{(100 + p) }$

$\frac{390 \times 100}{130}$

$3 \times 100$

$300$

CP = Rs. 300

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