Question

write the decimal expansion and state the kind of decimal expansion
$\frac{261}{400}$
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Answer 1

Answer:

2x+y=5

3x-y=10

2x+3x=5+10

5x=15

x=15÷5=3

2x+y=5

2×3+y=5

6+y=5

y=6-5=1