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 ▸Solve x^2 + 5x – 24 = 0
Matt had 3 piles of coins, A, B and C. Altogether there was 72p. Pile B had twice as much as pile A. Pile C had three times as much as pile B.
Solve: 5x - 2 > 3x + 11
A scalene triangle PQR, where PQ is (3x+4)m long, QR is (2-x)m long and angle PQR is 30 degrees, has an area of 2 square metres. Find x.