Question

12√? + 4/5of 340 = 702-294 +40%of 410

Answer 1

let √? be x.So 12x+ 4/5(340) =408+40/100(410) =>
12x+ 272= 408+164=> 12x=408+164-272=300=> x=300/12=> x=25 . So ? in the question is
${(25)}^{2} = 625$
hence 625 is the answer .Hope it helps you...Mark me as Brainliest.