seema is habitual of saving her pocket money .she collected some 20 Paise and 10 Paise coins in her piggy bank .if she collected Rs 30 and number of 20 Paise is double the number of 10 Paise coins .how many coins of each type did she collect? what value are being promoted ?is saving is a good habit
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let no. of 10 paise coin x
no. of 20 paise coin 2x
30 rupees=300 paise
A/Ç
20*2x+ 10x=300
10x(4+1)=300
x=6
therefore 10paise coin =6
20paise coin =12
no. of 20 paise coin 2x
30 rupees=300 paise
A/Ç
20*2x+ 10x=300
10x(4+1)=300
x=6
therefore 10paise coin =6
20paise coin =12
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