Answer:
Daniel has 390 marbles.
Step-by-step explanation:
W = 195
2/5D = 4/5W
2/5D = 4/5(195)
2/5D = 156
D = 390
2n+2
-n + (-3) +3n + 5 -3
(-3+5) =2
-n +2+n+3n
3n-n = 2n
Answer: 751
Answer: 1,000,000,000,000,000,000,000,