130k views
4 votes
Use mental math to find the sum of $12.15 $16.85 and $1.74

User Grazosi
by
7.1k points

1 Answer

5 votes
I would do this in 2 stages
1. $12.15 + $16.85 = $29
2. $29 + $1.74 = $30.74

Your answer is $30.74
User Cristian Hantig
by
7.8k points