Answer:
Erin walked 10 total miles
Step-by-step explanation:
3/4(6)= 9/2 9/2+11/2= 10
Answer:
15
Step-by-step explanation:
15x2 = 30
30+25 = 55
Answer:
x=3
Step-by-step explanation:
Sub y=x-1 into 2x+y=8.
You will get 2x+x-1=8.
Simplify 3x-1=8
Solve 3x=9
x=3
Answer:
B.
≅ 
Step-by-step explanation: