Without Iterations or conditionals using MATLAB

Input: - (double) Score on Test1 - (double) Score on Test2 - (double) Score on Test3 Output: - (double) The score needed on Test4 to have an 90 average - (logical) Can you raise your score to a 90 if the maximium score for Test 4 is 100? Note: - The needed score value may be positive, zero or negative - The needed score value may be over 100 - Each Test is worth 25% of the average Examples