Question

after repairing several water leaks in their house, the foster family noticed a 10% decrease in their monthly water bill. what decimal number represents the percent decreased in the foster family's water bill?

Answer 1

The decrease in the water bill is 10%.

By definition,

`10\% = (10)/(100) = (1)/(10) * (10)/(10) = (1)/(10) =0.1`

Answer: 0.1