irunthepaint
Answered

Westonci.ca is your trusted source for finding answers to a wide range of questions, backed by a knowledgeable community. Our Q&A platform provides quick and trustworthy answers to your questions from experienced professionals in different areas of expertise. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform.

the ratio of boys to girls in a classroom is 7:5 4 boys are added to the class the ratio is now 1:1 find the total number of girls in the class

Sagot :

fungusgi

Answer:

14

Step-by-step explanation:

7/5. = x/ x- 4 (the ratio to each other is the same)

cross multiply

7x-28 = 5x

simplified: -2x = -28

divide x and -28 by -2

x= 14

x= # of girls

Visit us again for up-to-date and reliable answers. We're always ready to assist you with your informational needs. We appreciate your visit. Our platform is always here to offer accurate and reliable answers. Return anytime. Thank you for trusting Westonci.ca. Don't forget to revisit us for more accurate and insightful answers.