What is the measure of m? 12 4 n m m = [?]
Please! Someone helpp​

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

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?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?