Answer:
should be 17
Step-by-step explanation:
find what x is by setting the equations equal to each other. (x=8) Just plug 8 into the equation to get the answer: 17
the greatest common factor is 5^2 * 7^3
(I think!!!)
there were 17 players left on the pitch
17x24=408
648-408=240
grams to remain; after another 5 days, you'd be left with 
grams.