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Brittany and Cydney are each thinking of a number. Cydney’s number is 4/9 of Brittany’s number. There is a difference of 80 between their two numbers? What is each number?

Sagot :

Songgyidn

Answer:

Brittany number is 144

Cydney number is 64

Step-by-step explanation:

let Brittany number be x

let Cydney number be y

y=4/9x

x - y = 80 because x is more than y

so y=x - 80

x - 80 = 4/9x

5/9x=80

x=720/5=144

y=64

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