Question

of the 400 acres on a farm 120 were used to grow corn what percent of the total acreage was used to grow corn

Answer 1

If 200 acres is 50% and 100 is 25% divide that by 5 and 5% is 20 so 25% (100 acres) plus 5% (20 acres) equals 30% (120 acres) so it's 30%