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Mia and Vincent are asked to choreograph a dance for the school musical.. Mia can choreograph the dance for the show in 20 hours and Vincent can choreograph the dance by himself in 16 hours. How long would it take to choregraph the dance for the musical if they worked together?

Write your answer as a number only. No units.
Round your answer to two decimal places, if necessary.

Respuesta :

Mia and Vincent together can finish the work in 8.88 hours.

What is a numerical expression?

A numerical expression is a mathematical statement written in the form of numbers and unknown variables. We can form numerical expressions from statements.

Given,  Mia can choreograph the dance for the show in 20 hours.

So, the efficiency of Ma is (1/20).

Vincent can choreograph the dance by himself in 16 hours.

So, the efficiency of Vincent is (1/16).

Therefore, Together their efficiency is (1/20 + 1/16).

= (4 + 5)/80.

= 9/80.

Hence together they can do the work in 80/9 Or 8.88 hours.

learn more about numerical expressions here :

https://brainly.com/question/29199574

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