Answer:
95
Explanation:
Week Number of Beetles
0 16
1 16 + (16/4) = 20
2 20 + (20/4 ) = 20 + 5 = 25
3 25 + (25/4 ) = 25 + 6.25 ≈ 31
4 31 + (31/4) = 31 + 7.75 ≈ 31+8 ≈ 39
5 39 + (39/4) = 39 + 9.75 ≈ 39 + 10 ≈ 49
6 49 + (49/4) = 49+ 12.25 ≈ 49+12 ≈ 61
7 61 + (61/4) = 61 + 15.25 ≈ 61 + 15 ≈ 76
8 76 + (76/4) = 76 + 19 = 95
Hence there will be approximately 95 beetles by 8th week