2. An aid organisation makes packed lunches for people in need. The contents of each pack are: 1 can of soft drink, 3 rolls, 4 pieces of cheese and 5 slices of neapolitan. The warehouse has the following stock of these products:
- 45 cans of soft drinks
- 180 rolls
- 15 packets of cheese cubes with 8 pieces of cheese per packet
- 10 packets of neapolitan, with 25 slices per packet.
In addition to the stock in the warehouse, how many more of which products do they need to buy to make a total of 100 packets?

See below

Step-by-step explanation:

See the attachment.

D, R, C, and N stand for Drinks, Rolls, Cheese, and Neapolitan.

Pack is the number of these items in 1 meal.

Need is the number of those items needed for 100 meals.

Have is the number in stock.  Note the Items/Unit in the last column.  This is the number of those individual items contained in one unit (e.g., 25 slices of cheese per packet).

Buy is the difference between Need and Have, in individual items.  Units is the number needed to purchase, with the values for C and N adjusted for the number of items per unit.  Thus, 35 units of Cheese will provide the individual slices needed:  (35 units)(8 slices/unit) = 280 slices.

The Units column is the answer to the question.  We need:

Item     Units

 D           55

  R          120

  C           35

  N           10

the graph in the attached figure

step-by-step explanation:

we have

using a graphing tool

the graph in the attached figure

the roots are ( x-intercepts) x=-0.5,x=1,x=3

the y-intercept is the point (0,3)

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step-by-step explanation:

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