Answer:
Step-by-step explanation:
X = number of Yan's marbles. x-3 = number of Geraldo's marbles
annswer: x + (x - 3) = 21
hopes this helps :)
Answer:
nobody can work 830 in one week; there are only 168 hours in a week
Step-by-step explanation:
The answer is -1 because it is subtracting by -2
A million times greater I guess
Answer:
I think the answer is -140