Answer:
x = 
Step-by-step explanation:
Let the number be x.

x - 3 = 10x
9x = -3
x = 
Answer:
To calculate the gradient of a straight line we choose two points on the line itself. The difference in height (y co-ordinates) ÷ The difference in width (x co-ordinates).
so it is 0.2
Answer:
18
Step-by-step explanation:
sum of ratio=5+3+4=12

To find the percentage of any fraction, just multiply it by 100
4/250 x 100 = 1.6
The answer is 1.6%