Question

I need a help with it​

Answer 1

50 cent coins = x

20 cent coins = 10+x

Total value of his coins = 12.5

x + 10 + x = 12.5

2x + 10 = 12.5

2x = 12.5 - 10

2x = 2.5

x = 2.5/2

x= 0.5

Answer 2

Answer:

X=0.5

Step-by-step explanation:

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