Show the set has cardinal number no by establishing a one-to-one correspondence between the set of counting numbers and the given set. be {19, 31, 43, 55, ( 1, 2, 3, 4, (19, 31, 43, 55,. (type the general term using n.)

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yasmineeee96371

13.06.2022

Mathematics

7/2 = 63/g..7 red apples to 2 green apples = 63 red apples to g green apples
cross multiply
(7)(g) = (2)(63)
7g = 126
g = 126/7
g = 18

so they sold 63 red apples and 18 green apples...for a total of (63 + 18) = 81 apples sold

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