Multiply every answer by 3
7 x 3 = 21
21 x 3 = 63 etc.
The other box is A(4) and 3a4 ect.
Answer:
Step-by-step explanation
1st, set up a ratio:
Cross Multiply:
Divide 2826600 by 150 to solve for C: C=1,884 centimetres^2
More information? I don't think you finished the question?
Answer:
Step-by-step explanation:
number of members=22
mean age=19 years
Total age of 22 members=22×19=418 years
age of new members=17 years and 30 years
Total age of 24 members=418+17+30=465 years
mean=465÷24=19.375 years