In a sale, normal prices are reduced by 20%

The sale price was £220

Calculate the normal price of the saddle

So sale price = normal price-dicount

sale price=100%-20%=80%

therfor

220=80%of origonal price

80%

percent means parts out of 100

80%=80/100=8/10

220=8/10of origonal price

multiply both sdies by 10

2200=8 of origoal price

divide by 8

2200/8=275

origonal price=275