Afarmer feeds every two cows on 480 kg of hay for
four days. the farmer has 20160 kg of hay which is enough to feed his cows for 6 weeks. find the number of cows in the farm

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

Can you divide 25 into 4 equal groups? explain why or why not.

To find the inverse of a number a, one can use the equation f(c) = a-1/c=0 where c is the inverse of a use the secant method of finding roots of equations to find the inverse of a = 2.5 ,er = 0.001%