Hello,
The multiples of 7 are 7,14,21,28,35,42,49 : 7 balls
The multiples of 5 are 5,10,15,20,25,30,35,40,45,50 :10 balls
In total there are 50 balls
But there is a commun ball 35
p=(7+10-1)/50=16/50=8/25=0.32
$143
add the two discounts of 25 and 10 percent. then your item will be 65% of the price now.
ITS 8 SPECIES AHHHH GIRL I GOTCHU