I have 3 questions First: "Mia is 18 and Nova is 33. In how many years will Nova be 3/2 of Mia's age" Second: "Alice is 9 years old, Brad is 12 years old / In how many years will alice be 6/7 of brads age." Last: "A rectangle has a length that is 15 more than its width. A second rectangle with a perimeter of 72 has a width that is 5 wider and a length that is 2 shorter than the first rectangle. Find the dimensions of the first rectangle.

Question

Mathematics

Kyleigh Meyers

12 August, 16:33

I have 3 questions First: "Mia is 18 and Nova is 33. In how many years will Nova be 3/2 of Mia's age" Second: "Alice is 9 years old, Brad is 12 years old / In how many years will alice be 6/7 of brads age." Last: "A rectangle has a length that is 15 more than its width. A second rectangle with a perimeter of 72 has a width that is 5 wider and a length that is 2 shorter than the first rectangle. Find the dimensions of the first rectangle.

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Answers (1)

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Makena Lamb · Answer 1

12 years

Step-by-step explanation:

Let's say the number of years we're looking for is x.

Nova's age: 33+x

Mia's age: 18+x

and of course: 33+x = 3/2 * (18+x)

This is an equation you can solve.

33+x = 3/2 x + 27

x - 3/2 x = 27-33

1/2 x = 6

x = 12