Answer:
84
Step-by-step explanation:
The mean is calculated as
mean = 
, then
= 21 ( multiply both sides by 4 )
sum = 84
Answer:
30 years
Step-by-step explanation:
41 minus 11=
X=20
180=7x+x+20
-20. -20
180=7x+x
180=8x
divide by 8
x=20
Answer:
AHHHHH U TELL ME AT THE WORST TIMES HOMIE IMMA TRY THO
<span>P = 2l + 2w
The given values fit the given formula</span>
The given values are 134
Let L = 5 - w
Solution:
P = 2l + 2w
134 = 2(5-w) + 2w 134 = 10-2w + 2w 134 – 10 = 4w 124 = 4w
31 = w
<span>26 = l</span>
