Question

Solve fast for instant Brainlist tag . The rate at which water flows from a tap of water tank is 10% per hour if the tap is left open for 2 hours and amount of water remaining in the tank is 810 find out initial amount of water.
a)1000 liters.
b)800 liters
c)900liters
d)100liters

Answer 1

Answer:

water in a tank is 1000 liter initial

let the water in the tank be x

water after 2 hours will be 20*x/100

so water remaining will be 80*x/100=810

x=8100/8

which is nearly 1000 liters

hope this helps

have a nice day ahead;)