Question

Peter was given 40 words to spell to qualify for a prize. He must spell at least 90% of those words correctly. At least how many words should he have to spell correctly to get the prize?

Answer 1

He should have to spell at least 36 of these words correctly.

Explanation:

40 words.

He must spell at least 90% of those words correctly.

At least how many words should he have to spell correctly to get the prize?

90% of 40. So

0.9*40 = 4*9 = 36

He should have to spell at least 36 of these words correctly.