The price of a watch was increased by 20% to £198.
What was the price before the increase?

The price of the watch before the increase is £165.

Step-by-step explanation:

Given,

After increasing 20% price of a watch is £198

To find the price of the watch before increase.

Let,

The price of the watch is x

According to the problem,

x+x × 20% = 198

or, x+ = 198

or, = 198

or, x =

= 165

Hence,

The price of the watch before the increase is £165.

395.84

step-by-step explanation:

2πrh+2πr²

2 (pie)(radius)(height)+2(pie)(radius)^2