tarankollu tarankollu
  • 04-02-2021
  • Mathematics
contestada

What is the ratio of a : b, knowing that a — b = 3
a + b = 5

Respuesta :

dammyzee
dammyzee dammyzee
  • 05-02-2021

Answer:

4:1

Step-by-step explanation:

a — b = 3

then a= 3+b

a + b = 5

3+b +b = 5

3+2b=5

2b=5-3

2b=2

b=1

a= 3+b

a=3+1=4

a:b= 4:1

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