Let a, b,c ∈ z. define the highest common factor hcf(a, b,c) to be the largest positive integer that divides a, b and c. prove that there are integers s, t,u such that hcf(a, b,c) = sa+tb+uc. find such integers s, t,u when a = 91, b = 903, c = 1792

An ice cream shop sells 5 times as many cakes cones as waffle cones. use x to represent the number of waflle cones the ice cream shop sells and use the variable to write an expresion for the number of cake cones the ice cream shop sells. enter the expression for the number of cake cones the the ice cream shop sells