I have to compare 2 prices.

Question

Compare:

A: $2.30 for 3 pens

B: $3.00 for 4 pens

Answer 1

I suggest you compute the cost per pen for each case. The better deal is the one with the lower cost per pen.

(A)

$2.30 / 3 = ? cost per pen

(B)

$3.00 / 4 = ? cost per pen