Answered

Get expert advice and community support for all your questions on IDNLearn.com. Discover the reliable solutions you need with help from our comprehensive and accurate Q&A platform.

In a class of 35 students, 25 girls averaged 92% on the last test, while the 10 boys averaged 85% on the same test. What is the average for the entire class on this test?

Sagot :

Kate200468idn
[tex]the\ weighted\ average\ is=25\cdot92\%+10\cdot85\%=35\cdot x\%\ /\cdot100\\ \\2300+850=35x\ \ \ \Rightarrow\ \ \ 35x=3150\ /:35\\ \\x=90\\ \\Ans.\ the\ average\ for\ the\ entire\ class\ is\ 90\%[/tex]
We greatly appreciate every question and answer you provide. Keep engaging and finding the best solutions. This community is the perfect place to learn and grow together. Your search for answers ends at IDNLearn.com. Thanks for visiting, and we look forward to helping you again soon.