Answer:
Step-by-step explanation:
Let the number be x
Four time that number = 4x
The difference between a hundred and a number = 100 -x
100- x = 4x
100 = x + 4x
100 = 5x
5x = 100
x = 100/5 = 20
last option
the correct answer is
- (- 7 / - 8)
Given that , we have
so that