Answer:
68
Step-by-step explanation:
15% of 80 is 12 so you subtract 12 from 80 and thats 68.
X is the number
sum means add
sum of half a number and 4 means
(x/2)+4
result is -16
(x/2)+4=-16
minus 4 both sides
x/2=-20
times 2 both sides
x=-40
the number is -40
X in this equation equals 140°
Answer:
multiply by 32
Step-by-step explanation: