Brother=b
b+9=11
b=2
2=1/5a
10=a
a=10
The answer is 10
Hope this helps :)
The answer is 4.5, I hope this helps.
3 divide by 5 is 0.6 and you move the decimal two places to the right and your percentage is 60%
The answers should be 1, 1, 0, 0
Answer:
The answer is 3.
Explanation:
Factors of 18:
1, 2, 3, 6, 9, 18.
Factors of 21:
1, 3, 7.
The highest number that both sets contain is 3, so the GCF will be 3.