Posted by gary on Wednesday, January 25, 2012 at 12:14pm.
Fran bought 6 yards of blue tapestry material. She used it to upholster 3 chairs. How much of the material would che need to upholster 7 chairs?

math  Ms. Sue, Wednesday, January 25, 2012 at 12:19pm
6/3 = 2 yards each
Take it from there. 
math  Ben, Wednesday, January 25, 2012 at 12:20pm
make a proportion and cross multiply to solve for x
(yards/chairs)=(yards/chairs)
(6yards/3chairs)=(x yards/ 7 chairs)
(6yards x 7 chairs)/(3 chairs)= x
(42/3)=x
14=x
so 14 yards