Elaine is making a flower garden with rows of flowers. the garden is 20 yards long. she wants a total of 7 rows of flowers that are all the same width. which calculation should elaine use to decide how wide to make each row?

she would divide the length by the number or rows wanted

 so the calculation would be division

answer: 12

step-by-step explanation:

because yes

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!