40 children attend a baseball game. each child received a hot dog or bag of popcorn. hot dogs cost $2.25 and popcorn cost $1.75. total cost $83.50. how many hot dogs and popcorn was purchased?

There are a total sales of 2,000 dollars on monday on tuesday sales dropped 10% on wednesday sales dropped another 20% compared with tuesday from wednesday to thursday sales increases by an equal amount to 25% of monday total sales what is the net change in dollars on total sales from monday to tuesday