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Nataly [62]
3 years ago
12

5.40(10)+2.50(x)=3.00(10+x) Solve

Mathematics
1 answer:
iris [78.8K]3 years ago
3 0

Answer:

x=48

Step-by-step explanation:

5.40(10)+2.50(x)=3.00(10+x)\\\\54.0+2.50x=3.00(10)+3.00(x)\\\\54+2.5x=30.0+3.00x\\\\54+2.5x=30+3x\\\\54+2.5x-2.5x=30+3x-2.5x\\\\54+0=30+(3-2.5)x\\\\54=30+0.5x\\\\54-30=30+0.5x-30\\\\24=0.5x\\\\10(24)=10(0.5x)\\\\240=5x\\\\\frac{1}{5} (240)=\frac{1}{5} (5x)\\\\48=x\\\\x=48

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