D) because only 4 is the common factor in the equation.
P-5=3s-15 because Pete is 20 and Sam is 10. 20-5= 15 and 3(10)-15 also equals 15. The answer is C.
8(-1/4)-(3)2-3=-2-6-3=-11
Number of weeks in a year divided by 6, then multiply that answer by $108
