Pretty simple. 0.85 = 0.75 + 0.1, so you can make it into a dime plus 0.75. 0.75 is 3 * 0.25, so it is 3 quarters. Therefore, the answer is 3 quarters and 1 dime.
To solve first you would subtract the amount she made in tips from her total earnings (317-185) = 132 Then you divide that answer by her hourly salary of $6 (132/6) =22
