This is a bio question please HELP ASAP?

Update: Some owls produce 2 pellets per day. Assume each pellet represents 80g of biomass. Also assume that one 40g vole can cause 50 cents of crop damage to a farm per season. If a barn owl family of seven (2 adults [producing 2 pellets/day] and 5 young [producing 1 pellet/day]) lives on a farm for 12 weeks and feeds... show more Some owls produce 2 pellets per day. Assume each pellet
represents 80g of biomass. Also assume that one 40g
vole can cause 50 cents of crop damage to a farm per
season. If a barn owl family of seven (2 adults [producing
2 pellets/day] and 5 young [producing 1 pellet/day]) lives
on a farm for 12 weeks and feeds exclusively on voles,
how much will the farmer save in crop damages over the
course of a season?
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