Asked by lori

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?
Answered by Steve
s = m
(s-18)*4 = m

4s-72 = s
3s = 72
s = 24

they both started with 24
sally sold 18, leaving her with 6. marta then had 4 times that.
Answered by leia
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
Answered by David
18+6=24

24-18=6

6x4=24

They both started off with 24 cards
Answered by Asa
24
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