Working together, Adam and JOhn can harvest a field in 8.18 hours. Had he done it alone it would have taken John 15 hours. Find how long it would take Adam to do it alone

Can someone me find the original price? the discount is 5% and the sale price is $68.40

The relative growth rate for a certain type of fungi is 60% per hour.a small culture has formed and in just 6 hours the count shows to be 20,273 fungi in the culture.what is the initial number of fungi in the culture?

Select all of the categories that apply for the figure below. quadrilateral, trapezoid, parallelogram, rhombus, rectangle, square