anne is eight year younger than daniela. Stella's age is twice that of daniela. Six times Anne's age is equal to Stella's age. how much do the ages of Anne, Stella and Daniela add up to
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Respuesta:
40 years
Explicación paso a paso:
a = d-8
z = 2d
6a = z
a = Anne´s age
d = Daniela´s age
z = Stella´s age
6a = 2d
d = 6a/2 = 3a
a = d-8
a = 3a-8
8 = 3a-a
8 = 2a
8/2 = a
4 = a
6a = z
6×4 = z
24 = z
d = 3*4
d = 12
4 + 24 + 12 = 40
The ages of Anne, Stella and Daniela add up to:
40 years
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