bartlettlily69 bartlettlily69

17-04-2021
Mathematics

contestada

A machine can grade 30 tests in 2 minutes. At this rate, how long will it take the machine to grade 135 tests?

8 minutes

9 minutes

10 minutes

12 minutes

Respuesta :

haybuckets8 haybuckets8

17-04-2021

ANSWER: 9 minutes

WHY:

30/2= 15 so 15 tests per minute

135/15=9 so nine minutes for 135 tests

MARK ME BRAINLIEST PLEASE

Answer Link

Otras preguntas

what does figurative mean ?

Please help to solve these 3 questions

What is the denominator of the simplified expression? (startfraction 2 n over 6 n + 4 endfraction) (startfraction 3 n + 2 over 3 n minus 2 endfraction) 2 n 3n+

Which expression is equivalent to startfraction 3 x superscript negative 6 baseline y superscript negative 3 baseline over 15 x squared y superscript 10 baselin

During a sales presentation to Ms. Daley for a Medicare Advantage plan that has a 5-star rating in customer service and care coordination, and received an overa

(dependent first/since)

explain what it means to say that the earliest organisms were heterotrophic anaerobic prokaryotes.

Which of the following is the best objective summary of the excerpt? The Brooklyn Bridge is an unforgettable sight! The glory of the bridge belongs to the human

using three different scenario, explain why a critical thinker is advised to bracket metaphorical, proverbial, and other forms of symbol language.

A cylindrical pain can has a diameter of 12 centimeters and height of centimetrs which is closest to the volume of the paint can in cubic centimeters