twilightsparkle
Answered

Welcome to Westonci.ca, where you can find answers to all your questions from a community of experienced professionals. Our Q&A platform offers a seamless experience for finding reliable answers from experts in various disciplines. Our platform provides a seamless experience for finding reliable answers from a network of experienced professionals.

EOC Algebra. Plz help

If Lynn can type a page in p minutes, what piece of the page can she do in 5 minutes?A. 5/p 
B. p - 5 
C. p + 5 
D. p/5 
E. 1- p + 5

If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to paint the house together?A. 2 hours and 24 minutes 
B. 3 hours and 12 minutes 
C. 3 hours and 44 minutes 
D. 4 hours and 10 minutes 
E. 4 hours and 33 minutes

Sagot :

[tex]1.\\ \begin{array}{ccc}p\ (min)&-&1\ (page)\\\\5\ (min)&-&x\ (pages)\\\\\end{array}\\\\cross\ multiply:\\\\p\cdot x=5\cdot1\\\\px=5\ \ \ \ /:p\\\\x=\frac{5}{p}\\\\Answer:D.[/tex]



[tex]1\ house\to4h:Sally\\\\1\ house\to6h:John\\\\\frac{1}{4}+\frac{1}{6}=\frac{1\cdot3}{4\cdot3}+\frac{1\cdot2}{6\cdot2}=\frac{3}{12}+\frac{2}{12}=\frac{5}{12}\to\ 5\ houses\to12h:together\\\\5\ houses \to12h\ \ \ /:5\\\\1\ hose\to(12:5)h=\frac{12}{5}h=2\frac{2}{5}h=2\frac{2\cdot12}{5\cdot12}h=2\frac{24}{60}h=2h\ 24min\\\\Answer:A[/tex]
We hope you found what you were looking for. Feel free to revisit us for more answers and updated information. Thank you for your visit. We're dedicated to helping you find the information you need, whenever you need it. Thank you for visiting Westonci.ca, your go-to source for reliable answers. Come back soon for more expert insights.