Answer:
Dangg... A summary
Step-by-step explanation:
To calculate percent change:
(difference between original and new)/original * 100
(19-15)/15 * 100 =
4/15 * 100 = 26.7 % increase
Where are the sets? I don't see any...
So if the ratio is 2:3, then the younger child would represent the 2. so it would be 2:3 is 4:x. Thereby, the answer would be 6, because of proportions. To check, simplify 4:6, and you would get 2:3.
Answer:
15
Step-by-step explanation:
Hope this helps