How many copies can be made in 3 minutes and 30 seconds, when you can make 32 copies per minute?
Change 3 minutes and 30 seconds to minutes, and then set up a proportion.
3 minutes and 30 seconds = 3.5 minutes 32 copies x copies —————— = ——————— {set up a proportion…..copies over minutes for each} 1 minute 3.5 minutes x = 112 {crossmultiplied} 112 copies in 3 minutes and 30 seconds
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