Tony and tiffany collect semi-precious stones. at the rockhound hut, tiffany paid $32 for 7 pounds of snowflake obsidian. at the solid rock shop, tony paid $17 for 5 pounds of the same type of stone. who made the better buy?

marco saved more.   he saved $35 more.

step-by-step explanation:

1+2+3+4+5+6+7+8+9+10 = 55

2*10 = 20

55-20 = 35

i wish i could u

step-by-step explanation:

i wish i could u

solve systems of equations by graphing. a system of linear equations contains two or more equations e.g. y=0.5x+2 and y=x-2. the solution of such a system is the ordered pair that is a solution to both equations. to solve a system of linear equations graphically we graph both equations in the same coordinate system