Carmen's Cafe offers two kinds of espresso: single-shot and double-shot. Yesterday afternoon, the cafe sold 25 espressos in all, 10 of which were single-shot. What percentage of the espressos were single-shot?

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults. how many students and adults went if the ticket charge was $42.75

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

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.