1. a catering company’s recipe for salad uses a ratio of 2 c of dressing to 4 lb of vegetables. (a) draw a model for the ratio. (b) write the ratio of dressing to vegetables as a reduced fraction.

(a) The model for the ratio of dressing and vegetables is the given by the equation  

A catering company’s recipe for salad uses a ratio of 2 c of dressing 4 lb of vegetables.

(a) We have to draw a model for the ratio.

(b) We have to write the ratio of dressing to vegetables as a reduced fraction.

Dressing = 2c

Vegetables = 4lb

The ratio of both is formulated as 2c : 4lb

(a)  Let us consider dressing is represented by D and amount of vegetables is represented by V then we can say that

hence when D increases by 1 unit variable V increases by two units and hence we can write

The V and D values are shown in the table below

V    D

1     2

2    4

3    6

Equation (1) represents the model for the given situation.

(b) The ratio of dressing to vegetables as a reduced fraction is given by

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i dont know sorry

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