Question

Solve for xx. Round your answer to the nearest tenth if necessary.
M
N
O
Q
P
15.6
12.5
x
7.5

x = what

Answer 1

I don’t have enough context to be sure how the letters and numbers are paired. Could you confirm the arrangement (for example, do the numbers correspond to M, N, O, Q, P in that order, or to some other pairing)? A picture or the exact original wording would help.

One reasonable interpretation: the five letters M–P are consecutive and the four given numbers are the values for M, N, O, P respectively (so M = 15.6 and P = 7.5). If the values change evenly (an arithmetic sequence) from M to P, the common difference is (7.5 − 15.6)/3 = −2.7, so
- N = 15.6 − 2.7 = 12.9,
- O = 12.9 − 2.7 = 10.2,
- P = 10.2 − 2.7 = 7.5.

Under that interpretation x = 10.2 (to the nearest tenth). If that’s not how the problem is arranged, please paste the full problem or clarify the pairing and I’ll solve it exactly.