in a certain deck of cards , each card has a positive integer written on it , in a multiplication game a child draws a card and multiplies the integer on the card with the next large integer . if the each possible product is between 10 and 400 , then the least and greatest integer on the card would be
"given : 10 < x ( x + 1 ) < 400 . now , it ' s better to test the answer choices here rather than to solve : if x = 3 then x ( x + 1 ) = 12 > 10 - - > so , the least value is 3 . test for the largest value : if x = 20 then x ( x + 1 ) = 20 * 21 = 420 > 400 answer : b ."
add(multiply(add(floor(sqrt(10)), const_1), const_100), subtract(floor(sqrt(400)), const_1))