Question

It costs $520 to planf 4 acres of corn .how much would it cost to plant 0.6 acre of corn

Answer 1

to find an equivalent, divide 4 acres by .6 acres= 6.666...  then divide the cost of 4 acres ($520 by 6.666....= $78)  So it would cost 78 dollars to plant .6 acres of corn.