3 years ago

Solve the formula for n. A=a+d(n-1) evaluate n when A=25, a=5, and d=13

Mathematics

1 answer:

ser-zykov [4K]3 years ago

8 0

Answer:

Step-by-step explanation:

You;ll run into this formula a lot. Make sure you study it carefully.

A = 25

a = 5

d = 13

Find n

25 = 5 + 13*(n- 1)

20 = 13(n - 1)

This isn't going to work out. 20/13 does not give a whole number which it should.

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