math
posted by peter .
ben has finished homewok during holiday.he does 2/3 of remaining question each days. after 4 days, 4 question are left .how many question he all together to do ?

I assume you mean he has unfinished homework.
Each day he has 3 times as many questions as on the next day. So,
after 4 days he had 4 questions left
after 3 days he had 12 questions
after 2 days he had 36 questions
after 1 day he had 108 questions
He started with 324 questions.
Respond to this Question
Similar Questions

Statistical Methods
Calculate the probability that 3 or fewer rainy days occur during the next 15 days. The probability any day is rainy is .2. For this question I tried using binomial distribution by setting x = 0, 1, 2, 3. p=.2 and n =15. After doing … 
chemistry
The disintegration of a radioisotope, such as I131 to Xe131, is another example of a firstorder reaction. It has a halflife of 8.0 days. I131 > Xe131 + e If you start with 1.40 g I131, how many grams of I131 will be left … 
Math
A 15g sample of radioactive iodine decays in such a way that the mass remaining after t days is given by m(t) = 15e^(−0.051t), where m(t) is measured in grams. After how many days is there only 3 g remaining? 
Chemistry
a) 45.02% of the sample remains after 85 days. Consider how you can use the percent of Ir192 remaining and the number of days to calculate the mass remaining after 85 days. 
time n work
a and b together can do a piece of work in16 days.b and c can do same work in 32 days.after a worked for 4 days and b for 12 days c takes it up and finishes it in 48 days.in how many days will each of them complete work 
math
A and B together can make a wall in 60 days. A has worked for 12 days, B finishes the remaining work in 36days. How many days will B take to finish the whole work alone? 
math
A and B can do a piece of work in 12 days. They started to work together but A left after a few days. If B alone worked for 20 days, the whole work was finished in 24 days. How long would A take to complete the work? 
math
A, b, c can complete a work separately in 24, 36, and 48 days respectively. They started working together but C left after 4 days of start and A left 3 days before the completion of the work. In how many days will the work be completed … 
English
1. How long did it take for him to read the book? 
math
24 men works for 14 days, 2 days after they started working, 4 more men joined them and after 2 more days, 6 men left. How many more days will they now take to complete the remaining work?