Let the number of nickels be = x
Let the number of dimes be = d
Let the number of quarter be = n
Given is, she has twice as many dimes as quarters
d=2n or n = 0.5d
She has two less quarters than nickles.
n= x-2 or
x= n+2
Total values of coins is = $2.60

Now replace x with (n+2) and d with 2n





Now x=n+2 ; x=5+2 = 7
d=2n ; d=2(5) = 10
Hence, Elina has 7 nickels, 10 dimes and 5 quarters.
Answer:
All you have to do is divide both sides by 2.5 to find your answer.
2.5x / 2.5 = 35 / 2.5
x = 14
The answer is X = 14.
I hope this helps!
-Mikayla
Answer:
part A: 5/12
part B: 5/144
part C: when you pick the red marble without replacing them, the sequence becomes like this: 5/12 --> 4/12 --> 3/12. So if you multiply them all for each draw, you get 5/144
St
Answer:
Step-by-step explanation: you can multiply both of them
8 ^ (-2) = 1 / 64
<span>4 ^ (-3) = 1 / 64</span>