15 is the answer I think because that is the Greatest Common Factor of all three of them.
I hope this helps!
So first we were to told that the sum of 2 numbers add to 19
a+b=19---------(1)
and they subtract to 5
a-b=5-----------(2)
These are two simultaneous equation and can be solved by elimination:
(1) + (2):
(a+b)+(a-b)=19+5
2a=24
a=12
12+b=19
b=7
So the two numbers are 12 and 7
Answer:
C = 3n+20
Step-by-step explanation:
C= The Cost
n= the number of rides
So if you get on 2 rides
that would be $6
because 3x2=6
or 3+3
and just add in the 20 to get in
so the sum is
<em>2</em><em>6</em><em> </em><em>if</em><em> </em>you were to get on 2 rides
I believe the answer is 5.3. i think
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