Karen bought 98 children to keep in her basement, 78 died, how many children are left (●'◡'●)(●'◡'●)(●'◡'●)

What is the multiplicative rate of change of the exponential function shown on the graph?

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?