Question

find yhe sum of 15 and the difference between 9 and 5​

Answer 1

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MATH WORD PROBLEM

Jeremy S. asked • 07/30/18

The sum of two numbers is 15. If one number is subtracted from the other, their difference is 3. Find the numbers.

i need help with this problem can you help me?

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W. James H. answered • 07/30/18

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Let one number be x and the other y. So x + y = 15

and x - y = 3 __________

adding these together makes 2x = 18

dividing both sides by 2 we get x = 9

finally x + y = 15 or 9 + y = 15 so y = 6

You should be able to plug the numbers back in to both equations and have it work.

9 and 6 do add up to 15 and their difference is 3.

Answer 2

1. a 10-digit number, where the first figure defines the count of zeros in this number, the second figure the count of numeral 1 in this number etc. At the end the tenth numeral character expresses the count of the numeral 9 in this number...