You could use the equation
+4+(-4)=0 if:
-you earn $4 and spend it
-buying 4 candy bars then eating them
-earning 4 points then losing them
Answer:
Adding 13747.5 to 70500.0 gives $84,247.50
Answer:
x=14°
SEE the IMAGE FOR SOLUTION
3/8=x/20
Multiply both sides by 20.
20(3/8) = 60/8 = 15/2 = 7.5
7.5 = x