exam Maths Puzzle Numerical Ability

6.2x-0.5y=27.8
0.3x+0.4y=68.7

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exam Other Question

Positive exponents only (9h)-4power w-5power y0 power z-3power -ST-> bisects <RSV
m<RST = 2x + 3y
m<TSV = 3x � y + 2
m<RSV = 80
Find: x and y