So k=katie's' age
m=mara's age
k is 2 times as old as m
k=2m
sum is 24
add means sum
k+m=24
so we have
k+m=24 and
k=2m
subsitute
2m+m=24
add
3m=24
divide both sides by 3
m=8
subsitute again
k=2m
k=2(8)
k=16
katie=16
mara=8
Answer:a and d
Step-by-step explanation:
i did it
3x+25=90
-25=-25
3x=65
x=26.6666666666666666666666
I hope this helps!
Answer:
<h2>
<em>C. 28</em></h2>
Step-by-step explanation:
Answer:
22% = 154
100%= ?
=100×154/22
= 700
Step-by-step explanation:
