She used half a yard worth of ribbon per each bow, you can tell this as 16 divided by 8 is 2. Therefore for every 2 ribbons she was using a yard of ribbon. Split that and you get half a yard
1. given
2. addition property of equality
3. division property of equality
Answer:
12 1/2
Step-by-step explanation:
Answer:

Step-by-step explanation:
Answer:
Step-by-step explanation:
=3+(18-6)+20÷4
=3+12+20÷4
=3+12+5
=20
use BODMAS rule (Bracket of Division, Multiplication, Addition, and Subtraction)