Posted by Nomad on Tuesday, March 19, 2013 at 6:02pm.
5 books and 9 magazines cost $150.50 dollars altogether. 9 Books and 5 magazines cost $175.70. How much does 1 book and 1 magazine cost?
Please show work

help its urgent  Nomad, Tuesday, March 19, 2013 at 6:11pm
Its something I need to have.

Math  Amanda, Tuesday, March 19, 2013 at 6:28pm
5b+9m=150.5
9b+5m=175.7 if you add them you have one equation.
14b+14m=326.2
14(b+m)=326.2
b+m=23.3
b=23.3m
sub. this back into one the original equations
9(23.3m)+5m=175.5
209.79m+5m=175.5
4m=34.2
m=8.55
Plug that into the other equation
5b+9(8.55)=150.5
5b+76.95=150.5
5b=73.55
b=14.71

Math  Nomad, Tuesday, March 19, 2013 at 6:30pm
Thanks!!!!!
Answer This Question
Related Questions
 Math  5 books and 9 magazines cost $150.50 altogether. 9 books and 5 magazines ...
 Math  At a book fair; three books and two magazines cost $7. Two books and five...
 Math  Hugh bought some magazines that cost $3.95 each and some books that cost...
 Math  Louis paid $42 for a dozen magazines with her annual and subscription to ...
 math  Bella spent 4/7 of her money on a dictionary and 3 identical books. She ...
 Math/Algebra  At Gwen's garage sale, all books were one price, and all ...
 Math  you buy 3 books that each cost the same amount and a magazine all for 59....
 Math  If 50 books is $86.45 for each Books and 150 books is $80.95 for each ...
 math  If b books cost d dollars, then d books cost A. b dollars B. bd dollars C...
 Math  April buys eight books for $44. Paper back books cost $4 and hard back ...
More Related Questions