Me find the fraction that is evquvalint to 4/5

Amber had 1/6 of a pie left after the bake sale. rihanna had 3/8 of a pie left. what fraction of a pie did they have altogether?

What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?