Question 598478
he received $21,000 and that he contributed $2.00 to a $7.50 ticket.
 Can you help him figure out the total prize pool?
:
Let x = total prize
:
{{{2/7.5}}}x = 21000
multiply both sides by 7.5, results:
2x = 21000*7.5
2x = 157500
x = 157500/2
x = $78,750 total prize money