Answer:
330cm^3
Step-by-step explanation:
22 only has 2 factors 11&2. So take 11•2•15=330 Doing it as 22•1•15 works as well.
It'll be 4/5 + x/5.
Switch the x to a y so:
x=5y-4
Add 4 to both sides
x+4=5y
Divide by 5 to get y by itself
(x+4)/5=y
The ansswer is the last one. (Crazy)