:= question there were 340 shoppers at an electronics store on opening day. the specials that day allowed 19%of shoppers to receive a free set of earbuds and 25% of shoppers to receive $5 off their firstpurchase. answer parts a and b. a. about how many shoppers received a free set of earbuds? use an equivalent fraction to estimate. oa. about 170 shoppers received a free set of earbuds. ob. about 43 shoppers received a free set of earbuds. oc. about 68 shoppers received a free set of earbuds. od. about 136 shoppers received a free set of earbuds.