Question

I have math homework but i dont understand how to do it plz help me

Answer 1

Its pretty simple all it is asking you to do is divided 126 by 7 which is 18 (the new bag) and the subtracting it by 3, which would give you 15. Hope I helped!

Answer 2

1)
`5x+0.29=3.24 \\ 5x=2.95 \\ x=0.59`
Each marker cost 59 cents

2)
`7(x+3)=126 \\ 7x+21=126 \\ 7x=105 \\ x=15`
The old Big Almond Bag weighed 15 ounces. The new Big Almond Bag weighs 18 ounces.