10% of 220= £22
10% *2 = £44
£220- £44 =£176
Answer:
11 percent
Step-by-step explanation:
if you subtract 50 - 39 = 11
so 11 percent is the change from the first value to the second value.
Hope this helps :)
QUESTION 1
The given function is

We simplify to get;

This function is equal to zero when 

QUESTION 2
The given function is
We factor to get;
This function equals zero when


QUESTION 3
The given function is

We factor to get,


The function equals zero when 



Hence the equation has no real roots.
The complex roots are
or 
Answer:
7 cups of sugar
Step-by-step explanation:
Find out how many pies Luca need to bake left =
45 - 17 = 28
1 cup of sugar = 4 pies
28 ÷ 4 = 7 cups of sugar
This may be wrong as this was rushed as I have to go for my next class now.
Answer:
7
Step-by-step explanation:
So, we know that this process happened 3 times in total. The original amount of kids we can call x, so the next wave filled in the gaps inbetween, so we call that amount x-1, the next wave would be (x+x-1)-1 or 2x-2, and the last would be 4x-4
adding this all up we get 8x-7=49, so 8x = 56 or x = 7