Question

While preparing to visit the united states, greg exchanged 200 canadian dollars for 1/5 fewer u.s dollars. after spending 3/4 of the u.s dollars, how many did he have left $150 $40 $120 $60

Answer 1

$40
1-1/5=4/5
200*4/5=800/5=160 USD
1=3/4=1/4
160*1/4=160/4=$40 left