For every 6 swimming lessons Kelsey charges $30. How much Kelsey should charge for 5 lessons? *

$25

Step-by-step explanation:

30/6=$5 for 1 class

$5*5=$25 for 5 lessons

x=half

step-by-step explanation:

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!