in a classroom,the ratio of boys to girls is 3 to 4.if there are 12 boys,how many girls are there?
in Word Problem Answers 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

think about it logically. If there are 3 boys for every 4 girls, and there are 12 boys, then that means there are 16 girls.

You can express it as fractions. 3:4 is equal to 3/4.

If you use proportions, 3/4=12/x (x= number of girls) solving that equation yields x=16, so there are 16 girls

Related questions

1 answer
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!
87,066 questions
96,673 answers
24,363 users