Data,title,independent, dependent viabarles...constants
Answer:
Step-by-step explanation:
c+a=20
a=20-c
5.25c+7.75a=140, using a from above makes this
5.25c+7.75(20-c)=140
5.25c+155-7.75c=140
-2.5c+155=140
-2.5c=-15
c=6
a=20-c=20-6=14
So she bought 14 adult and 6 children tickets.
It will take 22.5 min cause 25 divided by 100 wuld be 4 wich then divide 90 with
The answer is 33/55/72because you add them all
