Two bracelets cost 2 x $4 = $<<2*4=8>>8.
Thus, Paula spends $8 + $5 = $<<8+5=13>>13.
Olive spends $3 + $4 = $<<3+4=7>>7.
Therefore, Paula and Olive spend $13 + $7 = $<<13+7=20>>20 in all.
#### 20