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

Step-by-step explanation:

listen wwe can get the orginal value by dividing the bew value with the increasingly amount ...and tthat work in every maths bcz thats rule to find original value

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation:

mean, 40.6

step-by-step explanation: