<h3><u>Answer</u>:- </h3>
![\longrightarrow \sf 75+ 30(h-1)](https://tex.z-dn.net/?f=%5Clongrightarrow%20%5Csf%2075%2B%2030%28h-1%29%20)
<h3><u>Solution:-</u></h3>
<u>Given </u><u>that </u><u>:</u><u>-</u>
- job last for h hours
- Cost of job lasting more than 1 hour = $30
- Cost for the first hour = $75
Remaining hours for which the job will last after first hour= (h-1)
<u>Therefore</u>,
Cost for subsequent hours = 30×(h-1)
= 30(h-1)
Total Cost for job = Cost for 1st hour + Cost for subsequent hours
![\quad\quad\quad\quad\quad\quad\quad\quad\boxed{\sf{= 75+30(h-1)}}](https://tex.z-dn.net/?f=%5Cquad%5Cquad%5Cquad%5Cquad%5Cquad%5Cquad%5Cquad%5Cquad%5Cboxed%7B%5Csf%7B%3D%2075%2B30%28h-1%29%7D%7D)
Answer:
let us assume the 3 digit number be 984
To check weather the number is divisible by 3 and 4 then when should know the divisibility rule of 3 and 4.
A number is said to be divisible by 3 when the sum of each digit of the number is divisible by 3. Example 9+8+4 = 21 is divisible by 3 hence the number is divisible by 3.
A number is said to be divisible by 4 when the last two digit is divisible by 4 like 84 is divisible by 4 hence 984 is divisible by 4.
Answer:
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Step-by-step explanation:
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U can find the unit rate by looking where is the point so in that pic the unit rate I see is: 3/5