exam Maths Puzzle Numerical Ability

13x=77+2x

Read Solution (Total 0)

exam Other Question

I'm hoping that's the correct subject area. My question says 2x+2/10x^2+16x+6 Simplify the expression. Where as 2x+2 are both over all of 10x^2+16x+6. I have the answer, which i Corida ran the four hundred meter dash in 56.8 s. This was 1.3 s less than her previous time. What was her previous time?