arlMi5shanirapuzzyb arlMi5shanirapuzzyb

24-11-2016
Mathematics

contestada

sue, an experienced shipping clerk, can fill a ertain order 9 hours. Jim, a new clerk, needs 10 hours to do the same job. working together how long will it take them to fill the order?

Respuesta :

nobillionaireNobley nobillionaireNobley

27-11-2016

Let x be the time required to do the job when they work together.
1/x = 1/9 + 1/10 = 19/90
x = 90/19 = 4.7 hours

Answer Link

Otras preguntas

When testing the effect of penicillin on the growth of E. coli, penicillin would be considered the? A.independent variable B. dependent variable C. constant

How do I say Chair in French?

expound on the different forms of elasticities of supply

Why might there be a relationship between income distribution inequality and a country’s development?

Solve for x and not to scale

What is the slope intercept equation from the graph? Please help thank u

based on what you read in the policy box about religion in schools, identify the practices that would not violate us law if practiced in public schools.

Name the compound: PbF3

A joiner has a piece of wood 2 m long. He needs to cut lengths of wood that measure 50 cm each. How many 50 cm lengths can he cut from the piece of wood?a 2.5b

The diagram shows 5 triangles. All lengths are in centimetres. Which two triangles are congruent to each other