Emily is buying pens and markers for school. Packs of pens cost $2.75 each and packs of markers cost $3.25 each. If she bought a total 6 packs and spent $17.50, how many of each did she buy? How can i solve this with elimination in steps, i need this soon
A. 3 packs of pens and 3 packs of markers
B. 4 packs of pens and 1 pack of markers
C. 2 packs of pens and 4 packs of markers
D. 4 packs of pens and 2 packs of markers