3 + 88 = 91
133
Sum_ap = ½ × number_of_terms × (first_term + last_term) For the first 88 multiples of three: number_of_terms = 88 first_term = 1 × 3 = 3 last_term = 88 × 3 = 264 → Sum = ½ × 88 × (3 + 264) = 44 × 267 = 11748
The sum of 3 plus 4 is 7.
72
The sum of 88 and 11 is 99.
When the sum of a number plus 3 is squared, it is 11 more than the sum of the number plus 2 when squared.
The sum is 1511.
Well, darling, if my math skills haven't failed me, the sum of those numbers is 753. So, go ahead and pat yourself on the back for asking me such a riveting question.
3 + 7 is an ADDITION sum
If average for 3 = 84 then sum for 3 = 84*3 = 252. If average for 4 = 88 then sum for 4 = 88*4 = 352 so required score in quiz 4 = 100.
6
6