Problema Solution
Marco is wondering from which store he should buy the items so that he spends the least amount of money. Which store should Marco use if he wanted the five charms and silver bracelet all together? What advice can you tell Marco to help him shop wisely depending on the number of charms he wants to buy? Justify how you reasoned your answers.
Answer provided by our tutors
let
c = the cost of one charm
b = the cost of one bracelet
he wanted the five charms and silver bracelet all together
the total cost is C = 5c + b
for each store Marko should calculate C = 5c + b and chose the one that has the minimum value for C.