You purchase a $220 online ticket you have a discount code to receive 10% off. there is a 10.5% service charge added to the total. how much do you pay for your ticket?

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8

Determine if the equation defines y as a function of x: 2xy = 1. yes o no