\fQuestion 4 20 pts Working alone, it would take Shandra 40 minutes to sand a table. To sand the same table, also working alone, it would take Kelly 1 hour. If they work together, the situation can be modeled by the following equation, where t is the time it would take to sand the table working together. 40 60 O 24 minutes O 20 minutes O 60 minutes O 120 minutesQuestion 5 20 pts Solve for x. Be sure to check for any extraneous values. 1 -2 O -5 and 3 O -5 only O 5 only O 3 only