Answer:
We conclude that eighty percent of bike tires last at most 14.4 months.
Step-by-step explanation:
We know that a pair of bike tires can last 18 months if used every day.
We calculate how much eighty percent of the tire will last in months.
We have the following proportion:

We conclude that eighty percent of bike tires last at most 14.4 months.
The third angle is 60 degrees. A triangle has 180 degrees so 180-30-90=60
Answer:the answer is 420 :)
Step-by-step explanation:
Answer:
Option C
20 +40g
Step-by-step explanation:
5(4 +8g)
20 +40g