[질문] 파란수학 8-가 68~71쪽까지답좀요

4%:300g,8%:100g/소금물:250g,물:150g/A:9%,B:6%/볼펜:300,공책:800/가로:8,세로:4/어머니54,딸27/5/30/3%:200g,6%:400g/3분의50g/14%/343 x=5,y=9 5/4 -1 1 45