Find number abc
If 80b4a - aa5ba = c4cb0 find number abc. Multiple solutions may exist.Correct answers: 51
The first user who solved this task is Linda Tate Young.
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Elizabeth Blackwell U.S. stamp issuedIn 1974, Elizabeth Blackwell, America's first female M.D., was featured on a U.S. postage stamp. An engraved image was printed in violet. It was issued in an 18 cent denomination. The postage rate for a first class surface letter at the time was 8 cents per ounce (airmail 11 cents per ounce).« |