Answer:
18.8 years
Step-by-step explanation:
v= 904.78
x = 9
84 + (7x + 5) + (180 - (17x-1)) = 180
84 + 7x + 5 + (181 - 17x) = 180
270 + (-10x) = 180
90 = 10x
-19 < -18
-19 < -17
-19 < -16
hope this helps
have a good day :)
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