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klio [65]
3 years ago
15

Given that 2/3a = 16, which of the following illustrates how the multiplicative inverse

Mathematics
1 answer:
harkovskaia [24]3 years ago
4 0

Since the multiplicative inverse of a fraction p/q is the fraction that swaps its numerator and denominator, i.e. q/p, we have that the inverse of 2/3 is 3/2.

So, if we multiply both sides of the equation by 3/2, we have

\dfrac{3}{2}\cdot\dfrac{2}{3}a=16\cdot\dfrac{3}{2}

3/2 and 2/3 are multiplicative inverse of each other, and by definition this means that they give 1 when multiplied:

\dfrac{3}{2}\cdot\dfrac{2}{3}a=1\cdot a=a=16\cdot\dfrac{3}{2}

On the right hand side, we have

16\cdot\dfrac{3}{2}=8\cdot 3=24

And so the solution is a=24

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i think thats how you would solve it
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