Answer:
Step-by-step explanation:
Table
<h3>x I y</h3><h3>-------</h3><h3>1 I 2</h3><h3>2 I 4</h3><h3>3 I 6</h3><h3>4 I 8</h3><h3>5 I 10</h3>
Answer:
Seth has 21 nickels
Step-by-step explanation:
Let n represent the number of nickels. Since Seth has 8 more nickels than dimes, then (n-8) is the number dimes.
Nickel is worth 5 cents and dime is worth 10 cents. Thus, n nickels are worth 5n cents and (n-8) dimes are worth 10(n-8) cents. The total value of Seth's coins is $2.35 that is 235 cents, then

Solve this equation:

Answer:
18 minutes
Step-by-step explanation:
Given that:
The arrival time = 3 customers / hour
The avg. service rate (s) = 12 minutes per customer
To hour, we have:

s = 5 customers/ hour
Thus, the required average time for a customer needs to wait in line is:

To minutes;

= 18 minutes
Answer:
1
Step-by-step explanation:
Using the general exponent rule, that
= 1, so
= 1