Amy and Bob have some sweets in the ratio 7:4.

Amy gives Bob 36 sweets and both of them have the same number of sweets.

How many sweets do they have althogether?

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132

Step-by-step explanation:

let the number of sweets be 'x'

amy has 7x and bob gas 4x

now, the equation can be written as: 7x - 36 = 4x

7x - 36 = 4x

7x - 4x = 36

3x = 36

x = 36/3 = 12

so, no. of sweets amy has = 7x = 7*12 = 84

no. of sweets bob has = 4x = 4*12 = 48

therefore, no. of sweets in total = 84 + 48 = 132