The price of 600 grams of candy and 1.5 kg of cookies was 4 dollars and 62 cents. what is the price of one kg of cookies if it is 1 dollar and 40 cents cheaper than 1 kg of candy?

The price of one kg of cookies is $1.8.

Step-by-step explanation:

Given : The price of 600 grams of candy and 1.5 kg of cookies was 4 dollars and 62 cents.

To find : What is the price of one kg of cookies if it is 1 dollar and 40 cents cheaper than 1 kg of candy?

Solution :

Let x be the price of the kilogram of candy and

y be the price of kilogram of cookies.

The price of 600 grams of candy and 1.5 kg of cookies was 4 dollars and 62 cents.

600 grams = 0.6 kg

4 dollars and 62 cents = 4.62 dollars

The equation form is

.....(1)

The price of one kg of cookies if it is 1 dollar and 40 cents cheaper than 1 kg of candy

So,  ......(2)

Solving equation (1) and (2),

Substitute y from (2) into (1)

Substitute in (2),

Therefore, The price of one kg of candy is $3.2 and the price of one kg of cookies is $1.8.

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