The jewelry store marks up all their rings 90%. If the wholesale price of the ring is $850, what will be the selling price
A.) $63
B.) $75
C.) $99
D.) $110

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Answer x=\frac{4(7+y)}{5}x=​5​​4(7+y)​​x=\frac{4(7+y)}{5}x=​5​​4(7+y)​​x=\frac{4(7+y)}{5}x=​5​​4(7+y)​​x=\frac{4(7+y)}{5}x=​5​​4(7+y)​​x=\frac{4(7+y)}{5}x=​5​​4(7+y)​​x=\frac{4(7+y)}{5}x=​5​​4(7+y)​​

step-by-step explanation:

The principal, real, root of: 50−−√2=7.071067817.07106781−7.0710678150 is not a perfect square