### (8 March 2011) Chapter 4: Algebra... What it means...

The total monthly cost of running a factory is \$(800x + 4500), where x is the number of odd job workers employed.
(a) Find the cost of running the factory in a particular month in which 15 odd job workers were employed.
(b) Give a possible interpretation of the numbers 800 and 4500.

Enter your answers under Comments.

This question is compulsory.

Source: Discovering Mathematics Workbook (p21)

#### 14 comments:

1. a) \$(800x15 +4500) = \$16500
b) 800 could be the cost of employing an worker and 4500 could be the upkeep of the factory.

2. a) \$16500
b)i 800 cost of employing an worker
ii 4500 could be the upkeep of the factory.

3. (a) \$16500
(b) 800 is the cost for a worker and 4500 is the rental for the factory

4. a) \$(800x15 + 4500) = \$16500

b) 800 could be how much it cost to employ a worker and 4500 could be the maintenance of the factory.

5. a) 16500
800 could be the cost of the worker and 4500 could be maintenance of the factory

6. VOOEUG EUGENEVOO3/08/2011 11:19:00 AM

(a) \$(800*15+4500)
= \$16500
(b) The \$800 is the cost of employing a worker and the \$4500 could be the usage cost of the factory.

7. (A) An amount of \$16500 is required to run the factory for one month when there are 15 odd job workers.

(B)\$800 could be the cost of hiring a odd job worker while \$4500 is the cost of running the factory.

8. a) \$16500
b) \$800 cost of employing an worker \$4500 could be the maintenance of the factory.

9. a)800(\$15)+\$4500=\$16500
b)\$800 could be the workers' salary and \$4500 could be the maintenance of the of the factory.

10. 1. \$16500
2. The \$800 may be the workers salary while the \$4500 may be the cost of the materials to make the products.

11. a) 800 x 15 is equal to 12000. 12000 + 4500 is 16500.
The cost of running the factory is 16500.

b) 4500 is probably the cost to maintain the factory while 800 is the workers salary.)

12. To all above:
All your answers are correct and your interpretation also sounded logical :)

A number of you 'dropped' the unit "\$". Please rmember to include the unit in future.

13. a)\$16500
b)\$4500 is the cost for the maintenance for the factory while \$800 is each worker's salary

sorry for posting late...:P

14. \$16500

800 is the cost for a worker and 4500 is the rental for the factory

Sorry for posting late :D