A bag contains 32 red blocks, 49 green blocks, 21 yellow blocks, and 23 purple blocks. You pick one block from the bag at random. Find the indicated theoretical probability. P(yellow or red)

P(yellow or red)= ?

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?