10-20=10so the answer and 10-9=1 so that's the answer
Answer:
x = 9
Step-by-step explanation:
-2x = 18 - 4x
-2x + 4x = 18
2x = 18
x = 18/2
x = 9
Answer:
Cars in one hour: 40 cars
Step-by-step explanation:
30 cars ---> 45 min
Xc ----------> 60 min
Xc = [(60min)*(30 cars)]/45 min
Xc = 40
Best regards
What you can put is an obtuse 108 degrees
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