Stephanie and jill each improved their yards by planting hostas and ornamental grass. They bought their supplies from the same store. Stephanie spent $223 on 13 hostas and 10 bunches of ornamental grass. Jill spent $167 on 13 hostas and 3 bunches of ornamental grass. Find the cost of one hosta and the cost of one bunch of ornamental grass.

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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!

the answer is  

a.

4,624π mm2

step-by-step explanation:

i dont know what you want me to answer for this but im guessing 2: 11?