Answers

2015-12-01T19:31:03+08:00
9:13=770
9x+13x=770
22x=770 we divide both side by 22 so then we got 35
x=35
answer: the first number is 9x=9(35)=315
the second is 13x=13(35)=455
so the numbers are 315 and 455
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