I need help with following problem. Enter your midterm and final grade ( integer), choose which semester and calculate either letter grade ( 0-60 is F, 61 to 70 is D, etc) , average(float) or both

Code:

GRADE3 PROBLEM
Midterm:
Final:
Semester:	FallSpringSummer
Average:
Letter:

3. Write the grade problem such that the numerical and/or letter grades are computed using PHP for the following single file application: GRADE3 PROBLEM Midterm: Final: Semester: Fall Average: Letter: Average Letter Both Clear NOTE: For all problems below compute the grade using the following criteria: In Fall: grade=(2*midterm+final)/3 In Spring: grade=(midterm+2*final)/3 In Summer: grade=(midterm+final)/2 3. Write the grade problem such that the numerical and/or letter grades are computed using PHP for the following single file application: GRADE3 PROBLEM Midterm: Final: Semester: Fall Average: Letter: Average Letter Both Clear NOTE: For all problems below compute the grade using the following criteria: In Fall: grade=(2*midterm+final)/3 In Spring: grade=(midterm+2*final)/3 In Summer: grade=(midterm+final)/2