3/5 of a number is 162. Work out the number.

If we call the unknown number 'x' we can put it in to an equation to work it out as we known 5/3 of the number is 162.5x/3 = 162then times each side of the equals symbol by 5 to get (3x/5) 5 = 16235which is the same as 3x = 810thereforex = 810/3 = 270

LM

Related Maths GCSE answers

All answers ▸

5^a = 1/25, 5^b = 25sqrt(5), 5^c = 1/sqrt(5). What is the value of a + b + c?


If 3(x-2)-4(x+5)=10 , what is the value of x?


Solve the following simultaneous equations: 4x + y = 14 and 6x - y = 16


The range of a set of numbers is 15 1/4. The smallest number is –2 7/8. Work out the largest number.