Question 1161339

yes, it is B

{{{7}}} days, each day an increase of {{{4}}} min

if first day was{{{10min}}}, then 

second day is{{{10min+4min=14}}}, third {{{18min}}},fourth {{{22min}}}, fifth {{{26min}}},sixt {{{30min}}}, seventh {{{34min}}}

so, the sum of all {{{7}}} days is {{{10+14+18+22+26+30+34=154}}}