mickie321 mickie321
  • 28-02-2015
  • Mathematics
Answered

a tank 4/5 full needs 75 litres to fill it up.how many litres does it hold when full

Answer :

naǫ
naǫ naǫ
  • 28-02-2015
x - the volume of the tank

[tex]\frac{4}{5}x+75=x \\ 75=x-\frac{4}{5}x \\ 75=\frac{1}{5}x \ \ \ |\times 5 \\ x=375[/tex]

The tank holds 375 liters when full.
Answer Link

Other Questions

How do you say Hi my name is Bella in Spanish
Which of the following products would be possible in the reaction of 2 moles of aluminum Al with 6 moles of hydrochloric acid HCl A 2 moles of AlCl2 and 1 mole
what is the answer to 4d642
Laissezfaire economists believed A Actions were right if they promoted happiness B the government should control the means of production C The bourgeoisie would
Does water cover more or less than 50 of the Earths surface
How do you graph y32x1
One reason why many people in Eastern Europe do not belong to any religion is that A missionaries have been unable to reach the area Bthey are more concerned wi
Which statement is false An antiVietnam War movement took place in the United States A formal settlement ended United States involvement in the Vietnam War Unit
Which sentence is best to use in a letter describing a change of address to a credit card company A I will be moving to a very pleasant neighborhood B I will be
if you wanted to describe an increase in volume to your class which of the following objects would be the best item to use