Answer:
x + 10
Step-by-step explanation:

6 : 2/3.....multiply by 3
18 : 2...reduce
9:1 or 9/1
B) 36
To figure this out you need to average the numbers. To average them you add them all up and divide by how many are there.
(60+30+20)/3
(90+20)/3
110/3
36
Answer:
Sophie
Step-by-step explanation:
Jake is wrong because when he jump he was out of the water and you're supposed to count what he swam in the water so Sophie is correct.
25%
It’s basically asking what percentage is 2600 of 10400. You would divide the numbers and then multiply by 100. So, 2600/10400 X 100%= 25%