2x+x=36
Kim's Sister age
2x+x=36 Add "x and 2x"
3x=36 Divide both sides by 3
÷3 ÷3
x=12
Kim's sister is 12 years old
Soo....
Multiply that by two to get Kim's age
12•2=24 Kim is 24 years old.
Sum is add
sum of x and 2 means x+2
nothing to it
I could be wrong but the answer is 6 hours and 25 minutes
Explanation:
79 - 84 = 5
5 divided by 0.8 = 6.25
Answer = 6 hours and 25 minutes
1) 1,8,27,64,95,126,176,230
2)14,16,18,22,24
Hope this helps :)