Tom reads books that he borrows from the library. After borrowing books for a while, he began recording at the beginning of each month the total number of books he has borrowed so far. The data for the first 5 months he recorded are shown below. Books Borrowed by Month 3 54 Month Number of Books 1 40 2 47 4 61 5 68 The total number of books he borrows continues to grow at the same rate. Which equation represents the number of books (y) Tom has borrowed so far based on the number of months (x) he has been recording data?
a y=40×+7
B y=33×+7
C y=7×+33
D y=7×+40
