Question

Daca x/1=y/2=z/5 si z=10 atunci x+y=...
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Answer 1

Răspuns:

6

Explicație pas cu pas:

x/1 = y/2 = z/5  

z=10

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x/1 = z/5 <=> x/1 = 10/5 => x = 10/5 => x = 2

y/2 = z/5 <=> y/2 = 10/5 => y = 10·2:5 = 20:5 => y = 4

x + y = 2 + 4 = 6

x + y = 6