What are the four properties of equality?

1. The Reflexive Property. a =a

2. The Symmetric Property. If a=b, then b=a

3.The transitive Property. If a=b and b=c, then a=c

4. The Substitution Property. If a=b, then a can be substituted for b in any equation

Step-by-step explanation:

4 packs of water and 7 packs of candy bars

step-by-step explanation:

35x4=140

140/20=7