A = P(1+r)^t
A = amount made after the specified time
P = original amount of money
r = rate
t = time
2500 = 1800 (1 + r)^2
2500/1800=(1800(1+r)^2)/1800
1.3888 = (1+r)^2
1.17851 = (1 +r)
1.17851 - 1 = r
Rate = .17851
Answer:
19/9 i think
Step-by-step explanation:
Answer:
39/10
39 ÷ 10= 3.9
<span>3.9 x 100 = 390%</span>
Answer:
9/35
Step-by-step explanation:
no of even number =3(2,4,6)
probablity of getting even in both dice =(3/6)×(3/6)
=9/36
Answer:
B. 9 : 21
Step-by-step explanation:
Multiply numerator and denominator by 3:
... 3/7 × 3/3 = 9/21 ⇒ 9 : 21
_____
Any denominator that is not a multiple of 7 will not work. 35 is a multiple of 7 (=5×7), but 12 (=4×3) is not the same multiple of 3.
