Question

if there were 140 problems how many could you miss if you wanted 80%?

Like if you did a test, that had 140 problems and you wanted to at leas get 80%, how many problems would you be able to miss?

Answer 1

You'd have to get 112 out of 140 in order to get an 80% right on the dot

Answer 2

You would only have to miss 28 problems to get 80%.