The olde world calzone shoppe sells pepperoni, mushroom and pepperoni-
mushroom calzones. on tuesday,
72 calzones were sold. thirty-one of the
calzones contained mushrooms. if
12 pepperoni-mushroom calzones were
sold, how many calzones contained
pepperoni?

what are local authorities doing to fix the problem

explanation:

they had more african americans than any other state.

hope this , have a good day. c;

john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.