kayliee kayliee
  • 01-06-2015
  • Mathematics
contestada

A machine produces 312 bolts in 30 minutes. At the same rate, how many minutes would it take to produce 260 bolts?

Respuesta :

Trim
Trim Trim
  • 01-06-2015
312 bolts in 30 mins
or 312 bots in 1800 seconds

Time for 1 bolt is 1800 / 312 =  5.77secs (rounded to two figures)

260 bolts would take:
260 x 5.77 = 1500secs (rounded)

1500secs = 1500 / 60 mins = 25mins
Answer Link

Otras preguntas

In the story of the cyclops, Polyphemus is A) the antagonist B) the protagonist C) a symbol D) ironic
What is the probability of meeting someone born in January or December (Assume there are 365days in a year)
What are the solutions to the equation 9x2 = 49, rounded to the nearest tenth?
What are units for measuring specific heat
Which european country took the lead in exploration and colonization in the early 1400s?
An arc of length 3 feet is cut off by a central angle of π/4 radians. Find the area of the sector formed
What is the name of a binary compound made up of lithium and chlorine?
simple interest on $4120 with an annual interest rate of 3.4% for 9 years. How much did he earn in interest? Round your answer to the nearest cent.
What are the duties of an archbishop
What ordered pair is a solution of 4x - 2y = 6?