Answer:
£150
Step-by-step explanation:
£105 is the already reduced price. and it is reduced by 30%.
that means that price is 100-30 = 70% of the original price
so, how to get the 100% out of the 70% ?
well, in the same way we do it also in the other direction.
basically, figure out 1%, and then go for how many % we need.
so, we need to divide 105 by 70 (to get 1%) and then multiply the result by 100 (to get 100% out of the 1%).
price = 105/70 × 100 = 105 × 100 / 70 = 105 × 10 / 7 =
= 15 × 10 = £150
