ok so what you fo to solve this is you take .26 and .70 and multiply them. to get 0.183 and then multiply it by 41 which equals 7.462
you then subtract it and get 33.54% still an F sorry I hope you can do do better.
ANSWER: 33.54
here is the problem I used for the equation to solve this.
(.26×.70)×41-41= -X
you do order of operations
P) parrenthises
E) exponents
M) multiplication
D) division
A) Add
S)Subtract