You have the (incorrectly written) formula, so plug in the numbers!
A = 58 + b = 58+21 = 79
Shaima earns 58 dollars per week working part-time at a book store. She makes one dollar more for each book that she sells. The amount, A (in dollars), that Shaima earns in a week if she sells b books is given by the following function. =A B+58b How much does Shaima earn in a week if she sells 21 books
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