shiyanne12 shiyanne12

13-02-2017
Mathematics

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The second of two numbers is nine more than four times the first. there some is 89 find the numbers

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Jedimaster13 Jedimaster13

13-02-2017

b = 9 + 4a and a + b = 89, so a = 89 - b , so b = 9 + (4*89) - 4b, so 5b = 365
b = 73. 89-73 is 16. a = 16

The numbers are 16 and 73

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