Question

60% of 30+90% of 50 = _____ % of 252

• A. 30%
• B. 25%
• C. 50%
• D. 75%

Answer 1

Answer:

B. 25%

$\frac{60}{100}\times{30}+\frac{90}{100}\times{50}=18+45=63$

$\frac{x}{100}\times{252}=63$

$252x=6300$

$x=\frac{6300}{252}$

$x=25$%