Question

eric found that about 60% of 80 classmates at school like hip - hop music. however, 70% of his 60 relatives like hip - hop. which statement is true?
the number of his relatives who like hip - hop is greater than the number of his classmates who like hip - hop.
the number of his classmates who like hip - hop is equal to the number of his relatives who like hip - hop.
the number of his classmates who like hip - hop is less than the number of his relatives who like hip - hop.
the number of his classmates who like hip - hop is greater than the number of his relatives who like hip - hop.

Explanation:

Step1: Calculate classmates who like hip-hop

$0.60 \times 80 = 48$

Step2: Calculate relatives who like hip-hop

$0.70 \times 60 = 42$

Step3: Compare the two values

$48 > 42$

Answer:

The number of his classmates who like hip-hop is greater than the number of his relatives who like hip-hop.