A rollercoaster can provide rides for 346 riders in 20 minutes. How many riders could ride in 90 minutes?

1 Answer
Jan 24, 2018

#"1557 riders"# could ride the rollercoaster in #90# minutes.

Explanation:

Create a proportion.

Let #x# equal the number of riders in #90# minutes.

#("346 riders")/("20 min")=x/("90 min")#

Multiply #"90 min"# by #"346 riders"#.

#90color(red)cancel(color(black)("min"))xx("346 riders")/(20color(red)cancel(color(black)("min")))=x#

#"1557 riders"=x#

The number of riders in #90# minutes is #1557#.