Let set a = {odd numbers between 0 and 100} and set b = {numbers between 50 and 150 that are evenly divisible by 5}.

what is a ∩ b?

{50, 55, 60, 65, 70, 75, 70, 85, 90, 95}
{55, 65, 75, 85, 95}
{all odd numbers between 1 and 99}
{numbers between 1 and 150 that are evenly divisible by 5}

Option B (55, 65, 75, 85, 95)

Sis less than or equal to 75 (bottom left)

38+105= 143, 39+104=143, and you will find then adding the numbers on opposite sides, moving inwards yields the answer 138 every time. because of this, you’re going to multiply 138 times the number of pairs, which is 34. therefore, 34*138= 4692(i’m sorry if it’s the wrong numbers, but it’s the right concept)