Answer:
One clay block = x = $2.50 from before.
One mold = y = $4.00
Step-by-step explanation:
Multiply the second one by -2 to get -12x-2y=-38.00
Add these equations to eliminate y:
-12x-2y=-38.00
3x+2y=15.50
Result: -9x+0y=-22.50
9x=22.50
x=$2.50
Hope this helps love. <3 xx