Question

after every 15 min of studying, takes a 5 min break. have 2 hours of homework how long will it take to do

Answer 1

A science teacher has a supply of 50% sugar solution and a supply of 80% sugar solution. How much of each solution should the teacher mix together to get 150 mL of 60% sugar solution?
a. 70 mL of the 50% solution and 35mL of the 80% solution.
n. 35mL of the 50% solution and 70mL of the 80% solution.
c. 70mL of the 50% solution and 70mL of the 80% solution.
d. 35mL of the 50% solution and 35mL of the 80% solution.

Answer 2

One hour is 60 min after 15min of work 5 min break taken which takes u to 20 Min

Then again after 15min work 5min break which is 40 Min But work done is for only 30 Min

Then again after 15min work 5 min break which is 60 Min But work done is 45 Min only

so in 60 min only 45 min is the work done

how many min will be taken for 120 min of work to be done then??

its simple 60*120/45 = 160 Minutes :)