Answer:
12 years old.
Step-by-step explanation:
1) 2x+x=18
2) Now solve 2x+x=18
Add alike terms
3x=18
Now divide both sides by 3 (3x/3 and 18/3)
x=6
So Hannah is 6 years old. Her sister must be 12.
How is this a question i don’t understand
124 square units
you just have to count the top, bottom, and a side and times by 2
To find a percentage, you the decimal point in the percent two places to the right 16% = 0.16. Then multiply.
0.16 • 400 = 64
16% of 400 = 64
1. $52.80
2. 80
3. 46 people
4. 15 minutes
5. 2%
6. 147.03
I think these answers are correct but I am not 100% sure