Step-by-step explanation:
There are a few ways but the most popular way is by using conversion factors.
For instance, lets look at inches to feet. lets say I have 24 inches and I want to know how many feet 24 inches makes up.
We know that one foot = 12 inches. We will use this as our conversion factor but written it a little differently. We can write it as 1ft / 12 in or 12in / 1ft
We can setup our problem using the conversion factor like the following:
Now cross out the in and multiply.
So 24 inches = 2 feet
Answer:
i think its C
Step-by-step explanation:
Let the number of girls =
Then, According to the question,
number of the boys =
Total students in class = 60, so
On rounding off
Then, number of girls = 13
You'd need to start by finding what 40% of 280 is. To do this, you turn 40% into a decimal which is .40 . Multiply .40 x 280 which is 112. Then subtract that answer from 280 which is 168 baseball cards. Hope this helped :)
Answer:
x^2+y^2=r^2 is quation of circle whose centre is (0,0)