a class voted for either rollerblading, swimming, or biking as their favorite summer activity. if rollerblading got 21% percent ad swimming got 40%, what percentage of the class voted for biking?

Respuesta :

Answer:  39% voted for biking

Step-by-step explanation:

Add the other two percentages and subtract from 100

40 + 21 = 61

100 - 61 = 39