It’s c I think hope this helped
Y=400-10d
If he reads 10 pages a day and there is 400 total pages then you plug in an amount of days (d) to find the total amount of days it takes him to read the book.
POST THE PIC JIT,OLE DUM AHH
Since Sydney has planted 5/9 of her flowers and there were 63 flowers that are left unplanted, the first thing we are going to determine is the number of flowers that were planted. To do this, we just have to do the cross multiplication process.
So 5/9 x ?/63 = 35. Therefore, the number of plants planted were 35. To start, Sydney has a total of 100 flowers to be planted. That would be 35 + 65 is 100.
