Ethan bought a new pack of markers for $3. If he now has spent a total of $24 on art supplies, how much did he spend on supplies before he bought the markers?

Does the construction demonstrate how to copy an angle correctly using technology a) yes the distance between points a and f was used to create circle h b) yes the distance between points f and g was used to create circle h c) no the distance between points a and f was used to create circle h d) no the distance between points f and g was used to create circle h