A- price of adult's ticket
c- price of children's ticket
a+3c=20
a=c+2
c=a-2
a+3(a-2)=20
a+3a-6=20
4a=26
a=6.5
The cost of an adult's ticket is $6.50
Solutions
1 km = 0.621371 miles
42 km = 26.0976 miles
Answer:
3/5
Step-by-step explanation:
7/15 + 2/15 = 9/15
both 9 nad 15 are divisible by 3
9/15 = 3/5
Answer:
Standard form is a way of writing down very large or very small numbers easily. 103 = 1000, so 4 × 103 = 4000 . ... This idea can be used to write even larger numbers down easily in standard form. Small numbers can also be written in standard form.
Step-by-step explanation:
Answer:
0.1065
Step-by-step explanation:
Given :
Solution :


Taking natural log both sides
![ln[(3x+1)^5]=ln 4](https://tex.z-dn.net/?f=ln%5B%283x%2B1%29%5E5%5D%3Dln%204)
Property : 





Property : 




Hence the value of x is 0.1065