Answer:
y = 1.44
Step-by-step explanation:
What are you aiming to do here? Please share all instructions with each problem.
If you want to solve 4.5/y = 12.5/4 for y: Multiply both sides by 4y:
18 = 12.5y. Then y = 1.44
Answer:
you are absolutely correct .........
Answer:
a=1
Step-by-step explanation:
a+3=2a+2
a-2a=2-3
-a=-1
a=1
Answer:
<em>Number of nickels = 6</em>
<em>Number of dimes = 14</em>
<em>Number of quarters = 23</em>
<em></em>
Step-by-step explanation:
Total number of coins = 43
Let number of nickels = n
Let number of dimes = d
Let number of quarters = q

Money in n nickels = 
Money in d dimes = 
Money in q quarters = 
Total money = $7.45

The sum of the numbers of nickels and dimes is 3 less than the number of quarters.
i.e.

Let us put the value in (1):

Putting the value of q in (1) and (2):
n+d = 20 .... (3)

(4) - (3):
d = 14
Now, from (3):
n = 6
<em>Number of nickels = 6</em>
<em>Number of dimes = 14</em>
<em>Number of quarters = 23</em>