Answer:
n = 11
Step-by-step explanation:
n+ 1 = 4(n-8)
<=> n + 1 = 4n - 4×8
<=> 4n - n = 1 + 4×8
<=> 3n = 33
<=> n = 11
Answer:
191.9
Step-by-step explanation:
(8 × 24) - (1 ÷ 10)=191.9
Answer:
Step-by-step explanation:
Answer:
100( 1 - (9/10)^75 )
Step-by-step explanation:
as common ratio is 9/10
Step-by-step explanation:
3x + 4 + 2x +7
= 3x + 2x + 4 + 7
= 5x + 11