250 in the account
3%x7=21%
0.21 times 250 = 52.5
250 + 52.5 = 302.5
Answer:
Step-by-step explanation:
The answer is no solution or a 0 with a line through it
(b⁷/4⁵)⁻³
= (4⁵/b⁷)³
= 4¹⁵/b²¹
Therefore answer is option b
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