1. 160 2. 520 3.240 hopefully they are right
Yes, it would be what you have written
I can't answer this because I don't know what she was starting with
For a system of equations such as this, add both of the equations together. The d values will cancel each other out, making 2e=-4. This means that e=-2. If you plug this into one of the equations, you will have d + (-2) = 1. Isolate the variable by adding -2 to both sides: d=3. Written in the format described above (d,e), your answer is (3, -2).
1/3 lb. = $2.85
1/3 lb = $2.85
1/3 lb. = $2.85
1 lb of cashews costs $ 8.55