Question

Movie tickets for senior citizens cost 0.8 times as much as regular adult tickets. Adult tickets cost $7.50. How much do senior citizen tickets cost?

Answer 1

`$6.00`

Explanation:

Adult movie tickets cost `$7.50`. As movie tickets for senior citizens cost `0.8` times as much as regular adult tickets,

They should cost `$0.8xx7.50` or `8/10xx75/10` or

`(4cancel(8))/(cancel5cancel(10))xx(15cancel(75))/10`

= `60/10=6`