Lucy can assemble a computer by herself in 35 minutes. manny does the same job in 50 minutes. how long will it take them to assemble a computer working together?

about 20.6 minutes

Step-by-step explanation:

Given : Lucy can assemble a computer by herself in 35 minutes.

Manny does the same job in 50 minutes.

Let t be the time taken by both of them working together.

Then, we have

Hence, it will take approx 20.6 minutes to assemble a computer working together.

60

step-by-step explanation:

every triangle measures a total of 120 degrees. you have to find angle c. we know that isosceles triangles angles are equal. 60 degrees plus 60 degrees gives you 120.

x= cost per bracelet

number of bracelets * x + shipping charge = total cost

so

9x+9=72