Question
Fill in the missing digit: _.4 x 2.4 +3.28 + 16._ _ = 19.6_
Answers
Steve
Unless you allow negative numbers, there's no solution, since the existing digits add up to more than 19:
2.4+3.28 + 16.__ = 21.__
2.4+3.28 + 16.__ = 21.__