Step-by-step explanation:
Answer = 2(25)(8) = 400.
Her niece sees 15 goats.
Step-by-step explanation:
Given,
Total animals on barn = 40
Total legs counted by May's niece = 110
A goat has 4 legs and chicken has 2 legs.
Let,
x represent the number of goats
y represent the number of chicken
x+y=40 Eqn 1
4x+2y=110 Eqn 2
Multiplying Eqn 1 by 4
Subtracting Eqn 2 from Eqn 3
Dividing both sides by 2
Putting y = 25 in Eqn 1
Her niece sees 15 goats.
Keywords: linear equation, elimination method
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Answer: 24? =)
Step-by-step explanation: