Answer:
5200 bagles could be made in 20 hours
Explanation:
260 bagels : 1 hour
520 bagels : 2 hours (160 x 2)
780 bagels : 3 hours (260 x 3)
1040 bagles : 4 hours (260 x 4)
1300 bagles : 5 hours (260 x 5)
1560 bagles : 6 hours (260 x 6)
1820 bagles : 7 hours (260 x 7)
2080 bagles : 8 hours (260 x 8)
2340 bagels : 9 hours (260 x 9)
2600 bagels : 10 hour (260 x 10)
2860 bagels : 11 hours (260 x 11)
3120 bagles : 12 hours (260 x 12)
3380 bagles : 13 hours (260 x 13)
3640 bagles : 14 hours (260 x 14)
3900 bagles : 15 hours (260 x 15)
4160 bagles : 16 hours (260 x 16)
4420 bagles : 17 hours (260 x 17)
4680 bagles : 18 hours (260 x 18)
4940 bagles : 19 hours (260 x 19)
5200 bagels : 20 hours (260 x 20)