John has six bills of paper money in the following denominations $1, $5, $10, $20, $50, and $100. if he selects 3 bills at a time what is the probability of selecting a group that has an average value of at least $26?

+25 = x

step-by-step explanation:

here x is the hypotenuse of a right triangle whose legs are 7 and 24.   by the pythagorean theorem, 7² + 24² must equal x²:

x² = 49 + 576 = 625.   thus, x = +√625 = +25 = x

d? maybe

step-by-step explanation:

stops on an even number.