Abucket is placed in a well and dropped to a height of 160 ft
below ground level. after being pulled back up for 40
seconds, it's now 60 ft below ground level. what was the
rate of change in elevation for the bucket? express as a
mixed fraction in feet per second.
plzz need answers asap. you.

How to solve a simultaneous equation involved with fractions?

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account.write an expression to represent the total amount in his savings account.