Banknotes 59503

Matej had 2 euro coins and 5 euro banknotes in his box. There were a total of 60 of them worth 171 euros. How much money did Matej have in the treasury?

Correct answer:

a =  43
b =  17

Step-by-step explanation:

a+b=60 2a+5b=171  a+b=60 2 a+5 b=171  a+b=60 2a+5b=171  Pivot:Row1Row2 2a+5b=171 a+b=60  Row221 Row1Row2 2a+5b=171 1.5b=25.5  b=1.525.5=17 a=21715b=21715 17=43  a=43 b=17

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