Does it want the answer 6/8? I think this is right.
Answer:
12.5%
Step-by-step explanation:
sum the parts of the ratio 1 + 3 + 4 = 8 parts
8 parts represents 100%, hence
1 part =
= 12.5% ← Andy's percentage of the total
Answer: the brother is 20 and the sister is 9
Step-by-step explanation:
29 - 11 = 18 18 divided by 2 is 9
9+11 is 20 the brothers age so the sister is 9
Answer:
9
Step-by-step explanation:
Because 9 times 8 is 72. Hope this helps