Ontem = 1/2 h = 0,5 h = 30 min
hoje = 4 h + 1/3 h = 1 h + 60/3 = 1 h e 20 min = 80 min
30 min + 80 min = 110 min
110 min.................54
60 min....................x
11x = 54*6
11x = 324
x = 324/11
x ~ 29,45 por hora
Answer:
the second girl was. 59 seconds faster than the first girl.
Step-by-step explanation:
14.47-13.88= .59
372 is the answer.
(9*6*3)+(10*7*3)=372
Since the x value can be changed to anything other than 4 (because then you would be dividing by 0 in x-4), the answer is: All real numbers except 4.
