book Maths Puzzle Numerical Ability

I need help with a problem like this

c=2(3.14)r;r

Read Solution (Total 0)

book Other Question

what is 1/8x=4
A home purchased for $300,000 depreciated 8% over a 1-year period. What was the value of the home after at the end of the year?

Would someone help me out on this one i am stuck...thanks so much