Explanation:
Pair 1 is true if Jeff's monthly income is $600/20% = $3,000.
Pair 2 is true if Jeff's monthly income is $1200/10% = $12,000.
Both pairs can be true if Jeff's monthly income increased by a factor of 4 in the 20 years from 1990 to 2010.
Obviously, Jeff spent more on housing in 2010. (Fortunately for Jeff, that larger expenditure was a smaller fraction of his income.)
5700 is 5731 rounded to the nearest hundred
It will take 26.1 minutes because 5.22x5 is equal to 26.1
Answer:
3. definiton of angle bisector
4. substitution property (of equality)
5. 2x+14=34
5. subtraction property of equality
6. 2x = 20
6. subtraction property of equality
