1.

Plz help me plz solve it and plz give explanation​

Answer»

ANSWER:

THE RATIO IS

3 : 2

Step-by-step explanation:

Let the cost of birthday gift be X

and the cost of cake be Y

According to the given condition

birthday gift COSTS 9/15 of birthday gift and cake together

X = 9/15 × ( X + Y )

15X = 9X + 9Y

15X - 9X = 9Y

6X = 9Y

X/Y = 9/6

X/Y = 3/2

X:Y= 3:2

THE RATIO OF COST OF GIFT TO THE COST OF CAKE IS 3 : 2



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