book Maths Puzzle Numerical Ability

Hi I am having diffuclties setting up this problem:

If 46 painters used 70 nails in 90 days how many nails would 23 painters use in 60 days?

Read Solution (Total 0)

book Other Question

5-2(x-3)=2+4(x-1)-3x Dear Tutor,
Do you know where I can find sample matrix equations online? I've looked all over and I can't find any. I could really use some practice.
Thank you,
Melissa-A