We have that Each unicorn is 20 ans 300 years receptively
[tex]A=300\\\\B=20[/tex]
From the Question we are told that
UNICORN A IS 15 TIMES OLDER THAN UNICORN B.
THE SUM OF THEIR AGES IS 320 YEARS.
Let
x=age of unicorn A
y=age of unicorn B
Therefore
[tex]x=15y....1\\\\\x+y=320.....2[/tex]
Sub (1) into 2
[tex](15y)+y=320\\\\y=20[/tex]
therefore
[tex]x=15(20)\\\\x=300[/tex]
In conclusion
Each unicorn is 20 ans 300 years receptively
[tex]A=300\\\\B=20[/tex]
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