Answer:
see explanation
Step-by-step explanation:
Given
, 
Factor the denominators of both fractions
, 
The lowest common denominator of both fractions is (a + 4)(a + 5)(a + 7)
Multiply numerator/denominator of first fraction by (a + 7)
Multiply numerator/denominator of second fraction by (a + 5 )
,
, then
, 
Answer:
Solve the system of equations by graphing, elimination or
subod
Step-by-step explanation:
63% decrease.
0.63•80=50.4kg
80kg-50.4kg=29.6kg
1. 27
2. 13
hope you have a girldfriend
Answer: 2hrs
Step-by-step explanation:
paid 10 dollars at first and then 6 every hour he rode
so let x represent the # of hour rented
6x+10=22
x=2hrs