Karen paid $1.20 for 6 pencils and 4 erasers at the school store.
6x+4y=1.20
Trey paid...
Mathematics, 15.02.2021 17:20 olivia0420
Karen paid $1.20 for 6 pencils and 4 erasers at the school store.
6x+4y=1.20
Trey paid $1.10 for 8 pencils and 2 erasers at the school store.
8x+2y=1.10
How much does an
eraser cost?
Answers: 3
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