Answer:
Cool
Step-by-step explanation:
Given:
Principal = $1290
Rate of simple interest = 4%
Time = 9 months
To find:
The interest and total saving in the account altogether.
Solution:
The formula for simple interest is
...(i)
where, P is principal, r is rate of interest and t is time in years.
We know that,




Putting P=1290, r=4 and t=0.75 in (i), we get



So, the simple interest is $38.70.
Total savings is

Therefore, the total amount in the account altogether is $1328.70.
Answer:
1.425
Step-by-step explanation:
b.0.76
0.76÷1000=0.076
l425÷1000=1.425
Answer:
the answer would be (7,5)