a 28 cm long wire is to be cut into two pieces so that one piece will be 2.00001 / 5 th of the other , how many centimeters will the shorter piece be ?
"1 : 2 / 5 = 5 : 2 2 / 7 * 28 = 8 answer : b"
subtract(28, divide(28, add(divide(2.00001, 5), const_1)))