Barney and Robin went shopping at H&M. The store was having a sale on all shirts and pants. Barney spent $70 on 3 shirts and 2 pairs of pants and Robin bought 1 shirt and 4 pairs of pants for $90. a) Write an equation to describe the total spent by Barney in terms of the number of shirts and pants purchased. Let x be the price of a shirt and y be the price of a pair of pants. B: The total cost of Barney's purchase can be represented as 3x+2y=70 R: The total cost of Robins purchase can be represented as x+4y=90

b) Write an equation to describe the total spent by Robin in terms of the number of shirts and pants purchased. Let x be the price of a shirt and y be the price of a pair of pants.
I already did part A but what do I do for part B