102k views
3 votes
A class of 80 girls and 60 boys sponsored a car

wash. If 40 percent of the girls and 30 percent of
the boys got their cars washed, approximately
what percent of the class got their cars washed?
O A. 91%
OB. 64%
OC. 50%
OD. 36%

2 Answers

1 vote

Answer:

36%

Explanation:

class total: 140 students

40% of 80= 32

30% of 60=18

18+32= 50

50 divided by 140= .36 or 36 percent

User Terrylee
by
5.6k points
2 votes

Answer:

D

Explanation:

80/100 x 40 = 32

60/100 x 30 = 18

18 + 32 = 50

50/(80+60) x 100 = 35.7

= 36

Thank you

User DejanLekic
by
5.5k points