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Let d be the number of days required to earn $532.

Write a proportion for the problem using rates.

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According to

$\"\"$ (Cross products)

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$\"\"$ (Means-extremes Property of proportion: If $\"\"$ , then ad = bc.)

$\"\"$ (Divide each side by 152)

$\"\"$ (Simplify)

$\"\"$ (Simplify: $\"\"$ ) $\"\"$

Jun earns $532 in 14 days.