Question

The table shows the number of books donated to a library each month. The growth is exponential. Suppose the growth continues at the same rate.

How many books were donated to the library in Month 8?

Round to the nearest whole number.

Enter your answer in the box.

http://prntscr.com/ddgkxq

Answer 1

month #1
80
month #2
80+20=100
Month #3
100+25=125
month #4
125+30=155
month #5
155+35=185
month#6
185+40=225
month #7
225+45=315

Answer 2

I thought it was 350 or 380..