chrisssd67 chrisssd67

20-10-2020
Mathematics

contestada

Helena's sister is 10 years younger than three times her age. The
sum of their ages is 49. How old is Helena?
One step equation

Respuesta :

sidatoways sidatoways

20-10-2020

Answer:

79

Step-by-step explanation:

10 times 3 is thirty. Then add 30 + 49

Answer Link

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