xxQueenPxx7432
29.06.2019 •
Mathematics
One weekend, a newsstand sold twice as many sunday papers as friday papers. the sunday paper costs $1.50, and the friday paper costs $0.75. how many friday papers were sold if the newsstand took in $116.25?
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Ответ:
31
Step-by-step explanation:
Lets say Friday papers are x
Saturday papers are 2x
Total cost of Friday papers are .75x
Total cost of Saturday papers are 3x
.75x+3x=116.25
3.75x=116.25
X=31
Ответ: