Aplumper charges $55 for a service call plus $35 per hour if the plumbers bill is $160 how many hour's was he thete

What is the least common factor of 6 and 8

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

What is the range? can’t seem to find it out