Answer:
multiply the percent
20%=0.2
130x0.2=26
26 copies were already made
130-26=104
104 more copies need to be made
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
63/4 or 15.75 or 153/4.
386,997,662
Hope this helped :)