zyreahunt9282
28.06.2019 •
Mathematics
Gina has 600 records. if johnny were to double the number of records that he now owns he would still have fewe?
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Ответ:
Step-by-step explanation:
Two-digit numbers are:
ab, ac, ba, bc, ca, cbSum of them is:
10a + b + 10a + c + 10b + a + 10b + c + 10c + a + 10c + b = 52822a + 22b + 22c = 528a + b + c = 528/22a + b + c = 24The only option of three different digits with the sum of 24 is 7, 8 and 9