Answer:
11) x = 45
12) x = 30
Step-by-step explanation:
11)
3x + x = 180
4x = 180
x = 45
12)
4x = 5x - 30
4x - 5x = -30
-x = -30
x = 30
Answer:
I think the answer is 1 gallon of gas
Step-by-step explanation:
6.8/5 = 1.36
1.36 x 8 = 10.88
This means that the cost of an adult is $10.88
This is simple, what is the total degree of a triangle? 180
so add up 70 + 30 is 100, the answer to x is 80