Respuesta :

65 + 40h = 325
-65              -65
40h = 260
40        40
h = 6.5
The answer is 6.5 which is 6 and 1/2 hours
Hope this helps :)
6.5 hours
65+40=105. which give you 1 hour
325-105=220
220÷4=5.5. which guve you 5.5 hours
1+5.5=6.5 hours