Question

I'll reward a medal. Easy prob - just overthinking it.

There are 63 acres of land. For ever acre you purchase the price will double. If the first acre is $21,600, how much will it cost to buy all 63 acres?

Answer 1

I would try setting up an equation, where y is the price and x is the number of acres purchased.

for x=1, y= 21600
for x=2, y=2*21600
for x=3, y=4*21600

The relationship appears to be y=(2^(x-1))*21600

try plugging that in for x=63 and it should yield the answer.