1. Make an equation.
Moving company #1: y = 17x + 840
Moving company #2: y = 22x + 760
2. Put the equations together and solve
17x + 840 = 22x + 760
-17x -17x
840 = 5x + 760
-760 -760
80 = 5x
5 5
16 = x
When a job is 16 hours they both charge the same thing.
The first one is reflexive, which states that anything equals itself.
The second is the commutative property for multiplication, as it states that it doesn't matter what order you multiply the numbers in, the product remains the same :)
1.4 gallons for each rose bush. Divide the amount of rose bushes (7) by how many gallons of water she has (5). 7÷5=1.4 The answer is 1.4 gallons.
The answer to this question is 133.2.