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
Answer:
n=-3
m=1
Step-by-step explanation:
get m by itself then plug it in for the other m and solve, then solve for n.
1. C.
The rule of powers is that when a parenthesis is raised to a power, you multiply the two numbers. Since it is being raised to the second power, it needs to have a 10 in the parenthesis. That would make 20.
2. B
Firstly 10^2 = 100, so we know that the number must be 10. That leaves us with just A and B. Then we know the same thing from the previous equation, that they need to be multiplied together.
Answer:
29.01
Step-by-step explanation:
5.10^2+3
(5.1*5.1)+3
26.01+3
<u><em>29.01</em></u>
