in Pre-Algebra Answers by Level 10 User (57.4k points)
reshown by

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

40/100=180/? The answer is 40*4.5/(100*4.5)=180/450.

I prefer: the number is 180/40%=180*100/40=180*5/2=90*5=450.
by Top Rated User (698k points)

Related questions

1 answer
1 answer
1 answer
2 answers
asked Nov 19, 2015 in Pre-Algebra Answers by Mathical Level 10 User (57.4k points) | 845 views
Welcome to, 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!
84,170 questions
89,115 answers
6,807 users