mei and DeShawn each improved their yards by planting hostas and ornamental grass.?

Question by Adam H: mei and DeShawn each improved their yards by planting hostas and ornamental grass.?
they bought their supplies from the same store. mei spent 3 on 10 hostas and 9 bunches of ornamental grass. DeShawn spent 4 on 10 hostas and 2 bunches of ornamental grass. find the cost of one hosta and the cost of a bunch of ornamental grass

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Answer by gardengallivant
You are given two equations that must intersect to be solvable. There are two unknowns, hosta value and grass value.

163 = 10H + 9G and 114 = 10H + 2G

Solve one of these for a letter
(163- 9G)/10 = H

Now replace the H in the second equation with what H equals from the first equation.

114 = 10[(163- 9G)/10] + 2G

114 = 163 – 9G + 2G

What do you think?

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