A dancer spends one hour and fifteen minutes altogether at her two dancing lessons; Street
Dance and Tap Dance.
The tengths of the classes are at a ratio of 3:2.
How much longer is the Street Dance class than the Tap Dance class?

Respuesta :

Answer:

15min

Step-by-step explanation:

1hr15min=60min+15min=75min

Street dance: Tap Dance =3:2 =3x:2x

Difference:3x-2x=x

3x+2x=75

5x=75

x=15