+164 Logan bought 5 pens and 3 markers. Christopher bought 3 pens and 5 markers. Logan spent $0.90 more than Christopher. Find the price difference between 1 pen and 1 marker and state which item was more expensive.
+36915 5 p + 3 m = 90 + 3 p + 5 m
2 p - 2 m = 90
p - m = 45 cents
pen costs 45 cents mor than marker
+36915 5 p + 3 m = 90 + 3 p + 5 m
2 p - 2 m = 90
p - m = 45 cents
pen costs 45 cents mor than marker
