Series would be: 1,3,5......99
Here, a=1, d = 3-1 = 2, l = 99
l = a+(n-1)d
99 = 1+(n-1)2
98 = 2n-2
2n = 100
n = 50
Sum would be Sn = n/2 (a+l)
50/2 (1+99)
25(100) = 2500
So, your answer is 2500
The answer for 5 weeks is 40. For 6 weeks is 48. For 7 is 56.
The answer to this question is 0.64 because you have to divide hope this helps you
Answer:
Anyone want to make out
Step-by-step explanation:
I like sox... yummy
Answer:
135
Step-by-step explanation:
A=1/2(b•h) so,
18x15=270
270/2 =135