Please answer the following question  

A school bought 1500 boxes of marks. 60% of them were black marks. image of the color marks were red and the remaining were blue. What percent of the marks were blue marks?

asked 6 days ago in Pre-Algebra Answers by anonymous

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

the black marks are 1500 x 0.60 = 900 so the color marks are 1500 - 900 = 600

the red marks are 600 x (3/5) = 360 so the blue marks are 600-360 = 240

the percentage of the blue marks is (240/1500) x 100 = 16%
answered 6 days ago by tadinn Level 5 User (13,080 points)

Related questions

1 answer
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!
81,000 questions
85,029 answers
2,128 comments
68,459 users