Well, if Pablo gets 1 free minute for every 5 paid,
then he would get 8 free minutes for every 40 paid,
Sam is getting only 25 paid minutes for every 8 free ones
We can use the distance formula to find the distance between these points.
Distance formula: 
√(-5 - 6)² + (-3 - (-3))²
√121 = 11
The difference between the points is 11.
I do believe that the answer is 9/10
<span>6 bags of plaster do 33m2
5 bags .........................?
33 * 5 / 6 = 27.5
answer: 27.5</span><span>m2</span>
This is the ans plus u can use maths from Microsoft app for these type of questions