at school it is called the £1 method, we start with £1 and with this question is it decrease by 9 so it would be x0.91 then you use the starting price and / by 0.91 = 82%
(i messed up the first answer i put which was 72.53%)
at school it is called the £1 method, we start with £1 and with this question is it decrease by 9 so it would be x0.91 then you use the starting price and / by 0.91 = 82%
(i messed up the first answer i put which was 72.53%)
75 decreases by 9
So 100 would decrease by
100 would decrease by more so you put the 1 on top of the fraction and 0.75 underneath.