Answer:
X=28
Step-by-step explanation:
3x-8=2x+20. So x=28
Rates are used to measure a quantity over another.
<em>The 1.8 million cars use </em>
<em> liters each year</em>
Given

--- distance

First, we calculate the number (n) of gallons used by each car

Solve for n

So, we have:


Convert miles to kilometers



The number of gallons (N), used by all the cars is:


Convert to liters


In scientific notation to 2 decimal places, we have:

<em>Hence, the number of liters used is </em>
<em />
Read more about distance and rates at:
brainly.com/question/24659604
Answer:
gill bought 20 pencils
Step-by-step explanation:
10 pencils in each pack × 2 packs = 20 pencils in total
Answer:
Each car used 7 quarts of oil. So 7 cars would use 7×17 quarts which would be 119 quarts.