Mathematics, 10.01.2020 22:31 gmaj

1.
a.)in a two-digit number, the units digit is twice the tens digit. if the number is doubled, it will be 12 more than the reversed number. find the number.
b.)eight times the sum of the digits of a certain two-digit number exceeds this number by 19. the tens digit is two less than the units digit. find the number.
c.)in a two-digit number, the units digit is twice the tens digit. if the number is doubled, it will be 9 more than the number reversed. find the number.
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1.
a.)in a two-digit number, the units digit is twice the tens digit. if the number is doubled...