Question

of 128 dogs at a dog show, 50% were female. among these females, 3 out of 4 were over the age of 4. how many of the dogs were females 4 years old or older?

a. 64
b. 48
c. 16
d. 32

Explanation:

Calculate the number of female dogs

$$ 128 \times 50\% = 128 \times 0.5 = 64 $$

Calculate the number of female dogs 4 years old or older

$$ 64 \times \frac{3}{4} = 48 $$

Answer:

• (A) 64
• (B) 48 (Correct answer)
• (C) 16
• (D) 32