Mathematics: While helping her grandparents clean out their attic, Mara found her grandfather s old baseball card collection. 40% of his cards were from the 1950s. If 30 cards were from the 1950s, how many baseball cards did Mara s grandfather have in all? Please give only an answer.

While helping her grandparents clean out their

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CSelmon23

07.02.2022

Mathematics

75 cards brainliest

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21schraderlily

13.03.2020

Mathematics

moderate negative correlation on edge

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While helping her grandparents clean out their attic, Mara found her grandfather's old baseball card collection. 40% of his cards were from the 1950s. If 30 cards were from the 1950s, how many baseball cards did Mara's grandfather have in all? Please give only an
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While helping her grandparents clean out their attic, Mara found her grandfather's old baseball card collection. 40% of his cards were from the 1950s. If 30 cards were from the 1950s, how many baseball cards did Mara's grandfather have in all? Please give only an answer.

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While helping her grandparents clean out their attic, Mara found her grandfather's old baseball card collection. 40% of his cards were from the 1950s. If 30 cards were from the 1950s, how many baseball cards did Mara's grandfather have in all? Please give only an
answer.