(3x) + (x+60) = 180
4x + 60 = 180
Subtract 60 from both sides
4x = 120
Divide 4 from both sides
x = 30
Answer:
23.3%
Step-by-step explanation:
this is the estimated life expectancy of a male person to live to one hundred
Answer:
(5x-8)(x-2)
Step-by-step explanation:
or either use quadratic formula