The grade earned by each student in a math class is given by the expression 0.8s + 0.1d+0.05c+0.05h, where s is the summative test average, d is the daily check average, c is the classwork average, and h is the homework average. What is the grade for a student with a summative test average of 72, a daily check average of 95, a classwork average of 90 and a homework average of 85?