15 woman working 8 hours a day can harvest a cassava farm in 10 days. how long will it take 20 women working 5 hours a day to harvest the same farm

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

Three times the sum of a number and seven is negative thirty-six. what is the number?