The sum of two numbers is 31.5. the difference is 5.25. find the numbers.

the sum of two numbers is 842. the difference is 314. find the numbers.

answer both asap !

Qn.1

x+y=31.5

x-y=5.25

x=5.25+y

5.25+y+y=31.5

2y=31.5-5.25

2y=26.25

y=13.125

x=5.25+13.125=18.375

Ans: 13.125 & 18.375

Qn.2

r+s=842

r-s=314

r=314+s

314+s+s=842

2s=842-314

2s=528

s=264

r=314+264=578

Ans:264&578

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step-by-step explanation:

no because mercury has a density of 13.6 grams per centimeter squared while gold has 19.32 grams centimeter squared

step-by-step explanation: