ASAP lisa can shovel snow from her driveway in 60 minutes. bill can do the same job in 65 minutes. how long would it take lisa and bill to shovel the driveway if they worked together

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.