Answers>Maths>GCSE>Article

If x:y=7:4 and x + y = 88, work out the value of x – y.

Total of parts: 7+4=11therefore if we divide 88 in 11 “parts” we get each part as 8.hence if x corresponds to 7 parts then x=8X7=56 and if y corresponds to 4 “parts” y=4X8=32THEREFORE: x-y=56-32=24

Answered by Georgina H. • Maths tutor

6175 Views

See similar Maths GCSE tutors

If x:y=7:4 and x + y = 88, work out the value of x – y.

Related Maths GCSE answers

How do I factorise a quadratic equation?

Solve the following for X and Y: 2y+4x=14 and x-y=-1

How do I solve x^2+6x+8=0?

Solve the following simultaneous equations: x^2 + 2y = 9, and y = x + 3.