maxwelltarot maxwelltarot

16-09-2022
Mathematics

contestada

20 POINTS! Please help! Solve using a system of equations, elimination or substitution method. Show all work please :) thank you! No spam answers please.
x + y + z = 7200
0.04x + 0.11y + 0.14z = 805
z = x + y + 200

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