Let x = Barbie's number
1/3 x -20 = 72
1/3 x = 92
x = 92*3=276
3/4 ( (-50+2)/5)
= 3/4 ( -48/5)
= 3/4 * -48/5
= -36/5
2/3 x 5 = 3
the ratio from 4 to 20 is 5, then you multiply it by the original amount
so it's 3
Answer:
2 hours and 18 minutes
Step-by-step explanation:
