You need to divide-4 on both sides which will get you 8.hope this helps
He bought 60 pounds last week and p stands for 60
To work out the decrease, do original amount - new amount and then take that answer and divide it by the original amount, and then multiply by 100.
So you would do:
36.24 - 30.80 = 5.44
5.44 ÷ 36.24 × 100 = 15% to the nearest percent.
