What would 6374787divided by 10 to the 50 th power plus 3854766388times10to th2 power equal

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Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

Write the pair of fractions as a pair of fractions with a common denominator