Amount that trouvaughn paid : $0.80b
ten dollar bill = $10
so $(10-0.80b)
Answer:
I think the answer is 2n-5
(-3n + 2)+(5n - 7)
-3n+5n=2n
2+(-7)=-5
No they are not! If you multiply 3/4 times 4 to get the denominator as 12, you would get 9/12 which is not equivalent
S+L=155
1.25S+2.50L=265
System of equations...
L=110
S=45
1) because an isosceles triangle has two equal sides
