Jeremiah is five times older than his son. If he is 35, how old is his son? How hold was Jeremiah when his son was born?

Currently his son is 7. When his son was born, Jeremiah was 28.

Step-by-step explanation:

35/5 = 7 for the current age

35-7 = 28 for the age of Jeremiah seven years ago (when the child was born)

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step-by-step explanation:

9-15%

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: