x = 25
step-by-step explanation:
a^2+b^2=c^2
7^2+24^2=c^2
49+576=625
sqrt625=25
x=25
idk what the heck he answer is, iām just putting this here so i finish my account
he has 140 chickens because he has 10 times more chickens than ducks and he has 14 ducks so 14*10=140