1/4 of a number is 20. What is 5 times the number?

400

GF

Related Maths GCSE answers

All answers ▸

The equation of line 1 is: 3y-5x+3=0. The equation of line 2 is : y= 5x/3+9. Check whether the 2 lines intercept.


Factorise fully 2x^2 -x -4=2 and thus solve for x


Make y the subject of the formula 3y-p=h(2+y)


Solve these simultaneous equations, 2x+y=6 and 3y-x=11