Mathematics: Diana can check 25 english papers in 2 hours. when frankie , they can do the job together in 30 minutes. how long would it have taken frankie to grade 25 english papers by himself ?

Diana can check 25 english papers in 2 hours. - id252936779, FailingstudentXD

Ответ:

id0617045

31.05.2020

25 papers = (25 / 2)(1 / 2)+(x / hours)(1 / 2)
25 papers = (25 / 4)+(x / 2)
100 = 25 + 2x
100 - 25 = 75 x=75/2 pages per hour
(2 / 75)(25 = (2 / 3) = 40 minutes

0,0(0 оценок)

Ответ:

kris7726

21.01.2023

Mathematics

hvicchob gkh vij

Step-by-step explanation:

gisrufxh vihcjojvcvj

0,0(0 оценок)

Ask your question to the AI advisor

Ai-bot is an expert in any field and is the perfect companion for reliable and useful answers and advice on a variety of topics, including science, history, technology, art, sports, health, culture and more.

Ask your question

Diana can check 25 english papers in 2 hours. when frankie , they can do the job together in 30 minutes. how long would it have taken frankie to grade 25 english papers by himself ?

Ответ:

Ответ:

Ask your question to the AI advisor

More tips

Answers on questions: Mathematics

Ask an AI advisor a question