Answer:
n=2
2(n+8)=20
2n+16=20
-16 -16
<u>2n=4</u>
2 2
n= 2
There u go love
Step-by-step explanation:
21 + 15 = 36
36 x 3 = 108
Their father donated $108 to charity
Answer:
Factor -1 out of -12s-sr+35r^2
-(rs-35r^2+12s)
Step-by-step explanation:
Answer:
7 7/10
Step-by-step explanation:
11/2 * 7/5
77/10
7 7/10
<span>A
grade has 81 girls and 72 boys. The greatest split into groups that have the
same ratio girls the boys as a whole grade.
=> Find how many girls are in a group that has 16 boys
Formula and Ratio:
=> 81 : 72 = x : 16 – we need to find the value of girls or the number of
girls in the given ratio.
=> 16 * 81 = 1 296
=> 1 296 / 72 = 18
Therefore the value of girls numbers is 18. The new ratio will be:
18 : 16
</span>
