Posted by lori on Sunday, October 2, 2011 at 12:14pm.
Sally and marta had the same number of postcards. After sally sold 18 of her postcards, marta had 4 times as many postcards as sally. How many postcards did each girl have to begin with?

math word problems  Steve, Monday, October 3, 2011 at 5:06am
s = m
(s18)*4 = m
4s72 = s
3s = 72
s = 24
they both started with 24
sally sold 18, leaving her with 6. marta then had 4 times that.

math word problems  leia, Tuesday, November 18, 2014 at 7:58pm
a box of chalk and 2 staplers cost ten dollars. three boxes of chalk and two staplers cost eighteen dollars. find the total of one box of chalk and one stappler

math word problems  isyss, Tuesday, March 10, 2015 at 4:47pm
$7

math word problems  David, Saturday, October 10, 2015 at 4:07pm
18+6=24
2418=6
6x4=24
They both started off with 24 cards
Answer This Question
Related Questions
 math  Sally and Marta had the same number of postcards. After Sally sold 18 of ...
 math  Sally and Marta had the same number of postcards. After Sally sold 18 of ...
 math  Sally and Marta had the same number of postcards. After Sally sold 18 pf ...
 math  The ratio of the number of postcards john had to the number of postcards ...
 math  sally and marta had the same number of postards. after sally sold 18 ...
 math  The ratio of the number of postcards john had to the number of postcards...
 PreAlgreba  The ratio of the number of postcards john had to the number of ...
 math  The ratio of the number of postcards john had to the number of postcards ...
 Math  Sally and Marta have the same number of postcards
 math !!!! :O  The ratio of the number of postcards john had to the number of ...
More Related Questions