Assuming the final has the same weight as the other 4 tests,
let the mark on the final be x
85 ≤ (95 + 83 + 91 + 85 + x)/5 ≤ 92
425 ≤ 354+x ≤ 460
71 ≤ x ≤ 106 (??)
My conclusion would be that x ≥ 71
A student’s grade for the four quarters are 95, 83, 91, and 85. What does the student need to earn on the final exam to have an overall B average (85 to 92 inclusively) for the year?
I need four Steps - MODEL, Write INEQUALITY, SOLVE, INTERPRET.
1 answer