Divide 44261

Divide the number 20 into two parts so that the first part is four times larger than the second. What is the ratio?

Correct answer:

a =  16
b =  4
r =  4:1

Step-by-step explanation:

a+b=20 a=4b  a+b=20 a=4 b  a+b=20 a4b=0  Row2Row1Row2 a+b=20 5b=20  b=520=4 a=20b=204=16  a=16 b=4

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