Count the amount of 1 bag then you know one bag. The same amount has to be in each bag. So just multiply it by 3. The answer per bag is 10 so there are 30 blocks
To the risk of sounding redundant,

and surely you'd know what that is.
Answer:
Simple! She earned $280
Step-by-step explanation:
3500 x 2 x 4 = 28000/100 = 280
In 10yrs operating on the same frequency of rate, she's gonna earn;
3500 x 10 x 4 = 140000/100 = $1,400.
Therefore, $1400 dollars is what she's gonna earn in 10 years time.
Answer:
Centre is 
Radius is 
Step-by-step explanation:
The general equation for a circle is written in the form
, where
is the centre of the circle, and
is the radius.
For your circle,
, we can compare it with the general equation to find the centre and radius.



Therefore,
,
and
.
Centre at
which is
.