Answer:
Step-by-step explanation:
Please look at the 2 photos below, they may be your correct answers.
ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs ʏᴏᴜ.
252
t50 = t1 + (n - 1)(d)
= 7 + (50 - 1) (5)
= 7 + (49)(5)
= 7 + 245
= 252