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? Pick the model that represents the problem. How many baseball cards did Mara's grandfather have in all?

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? Pick the model that represents the problem. How many baseball cards did Mara's grandfather have in all?

Elementary Algebra

17th Edition

ISBN:9780998625713

Author:Lynn Marecek, MaryAnne Anthony-Smith

Publisher:Lynn Marecek, MaryAnne Anthony-Smith

Chapter5: Systems Of Linear Equations

Section: Chapter Questions

Problem 340RE: Eli is making a party mix that contains pretzels and chex. For each cup of pretzels, he uses three...

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