Answer:
Mark's Age = 16.19 y/o
His daughter's age = 3.64 y/o
Step-by-step explanation:
Let:
x= mark's age
y=his daughter's age
x+2=5y
a= 1, b=10, c=-424
from eq. 1
(16.19 -2)/5 = y
y = 3.638
Therefore,
Mark's is 16.19 years old and his daughter is 3.64 years old.
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Answers & Comments
Answer:
Mark's Age = 16.19 y/o
His daughter's age = 3.64 y/o
Step-by-step explanation:
Let:
x= mark's age
y=his daughter's age
x+2=5y
(x+2)/5 = y ---> eq. 1
(x-2)(y+2) =400 ----> eq. 2
substitute eq. 1 to eq. 2
a= 1, b=10, c=-424
from eq. 1
(16.19 -2)/5 = y
y = 3.638
Therefore,
Mark's is 16.19 years old and his daughter is 3.64 years old.