Which of the following is cheaper per item: $6$6 pencil cases for $\$24$$24 at Shop ZYX or $9$9 pencil cases for $\$54$$54 at Shop PWR?
What is the cost of a single pencil case at Shop ZYX?
What is the cost of a single pencil case at Shop PWR?
Hence which is the best place to buy pencil cases, if you want the best price per item?
Apply direct and inverse relationships with linear proportions
Apply numeric reasoning in solving problems