Answer:

Step-by-step explanation:
Cost of each part is 
Cost of working one hour is 
Let number of hours worked be
and
number of parts bought be
.
The maximum amount of money that John can spend is
.
From the question we have

The required inequality is
.
Answer: 5:2
Step-by-step explanation:
Answer:
the missing value is -1.......
Rectangular area = l*b = 1620* 68 = 110160 cm² = 11.016 m²
Answer:
You have to add them then divide by the number of cups
Step-by-step explanation: