The cafeteria sold pizza and slices burritos

a) the number of pizza slices sold was 20 less than twice the numbers of burritos sold. write an equation relating the number of pizzas and burritos sold.

let p=number of pizzas sold and b=number of burritos sold

p=________________

b) a slice of pizza cost $2.50 and a burrito cost $3.00 each. if the cafeteria collected a total of #358, write an equation to represent this information.