Find the number of terms between 100 and 200 that are divisible by 3.
Follow Math Help Forum on Facebook and Google+
Originally Posted by mastermin346 Find the number of terms between 100 and 200 that are divisible by 3. HI The set of numbers within the given range which are divisible by 3 would be 102 , 105 , 108 , ... , 198 Using $\displaystyle T_n=a+(n-1)d$ $\displaystyle 198=102+(n-1)(3) $ Solve for n .
perhaps simpler: there are 99 numbers between 100 and 200. Since every third number is divisible by 3, there are 99/3= 33 numbers between 100 and 200 that are divisible by 3.
View Tag Cloud