Answer:
Step-by-step explanation:
Use these formulas
Now solve
Answer:
Ok im, not 100% sure but the answer is for 1-10, 2-20, 3-40, 4-40
What is the actual question? I know what you're trying to say, just it's not enough info...
Answer:
numbers are 3x,2x,5x
so 3x+2x+5x=10x=840
so x=84
so numbers are 252,168,420