book Maths Puzzle Numerical Ability

Solve the equasions x+4=-1: 5b=-25: 3x+4=13: 5(x-2)=15: x+8=3(x-4)i tried 4+1=5is it right

Read Solution (Total 0)

book Other Question

I have 10 students - 8 are put forward for accreditation - I need to work out what percentage has been accredited. What is the velocity measured in meters per second: v(t)=-9.8t+50. The time in seconds is 2.
I tried using the distance=rate x time: v(2)=-9.8(2)+50
I am not sure if this is the