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*Proportions, Ratios and Rates* Justin invented a zapper that shrinks and enlarges things. After shrinking almost everything in the house to 40% of its original size, Justin's mother demanded that he return things to normal. What percent settings should he use to zap objects back to their original size? (Show Work)
\[1\times\frac{40}{100}\times\frac?{100}=1\]