haley and jenny have summer jobs selling newspaper subscription door to door, but their compensation plans are different. haley earns a base wage of $15 per hour as well as $1 for every subscription that she sells. jenny gets $2 per subscription sold. in addition to a base wage of $10 per hour. if they each sell a certain number of subscription in an hour, they will end up earning the same amount. how many subscriptions will that be?