If 7 of the same item in bulk are $50 then how much for 5?

😣🤕 5÷7×50=$35.7

$35.71

7 =50
5=x.
X*7=5*50
X=5*50/7
X=35,7142851$
The answer is 35,72$

If not 35.7$ , then if could be $50 itself . While buying 7 in bulk you save 2.