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SVEN [57.7K]
3 years ago
13

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

Mathematics
1 answer:
UNO [17]3 years ago
3 0

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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