During a July 4th sale, a store clerk increased the price of an item by 20% instead of decreasing by 20%, By what %, the erroneous price must be decreased to achieve the desired result?
#TJprep #SHSAT #AOSprep
TJ Prep practice problems for our students and readers. The problems provide a very small sampling of what Optimal TJ Prep students work with.
During a July 4th sale, a store clerk increased the price of an item by 20% instead of decreasing by 20%, By what %, the erroneous price must be decreased to achieve the desired result?
#TJprep #SHSAT #AOSprep