68% is 0.68 and 17/25
3/8 is 0.375 and 37.5%
0.875 is 87.5% and 7/8
alyssa got 40% right
4m+t is -18
t/mr is 1/6 or 0.16 repeating
3m-5t is -2
mt/r is -2
Find how fast she runs 1 km:
18/2 = 9 minutes.
So we know have K = 9t
Subtract 18 from both sides:
K-18 = 9t -18
Rewrite the right side:
K-18 = 9(t-2)
Answer:
The required rate of interest = 14.285%
Step-by-step explanation:
Here, The principal amount = 7,000
The final paid amount = 9,000
Time = 2 years
Let us assume the rate of interest = R
Now, Simple Interest = Amount - Principal
= 9,000 - 7,000 = 2,000
So, the SI on the given principal for 2 years = 2,000

or, R = 14.285%
Hence, the required rate of interest = 14.285%
The answer to this question is 8-2.
It is C. Associative property of multiplication