Answer:
45.88 seconds
Step-by-step explanation:
= Time taken to sing the fist time = 
Time taken to sing the second time was
less than the first time so

Time taken to sing the third time was
less than the the second time

So the time it took the choir to sing the third time was 45.88 seconds.
Answer:
Decimal expansion of 1/5 = 0.2
This is very confusing what are you trying to figure out give a little more information and I will be more than happy to hell you
Answer:
11
Step-by-step explanation:
1+red/3=4/1 so 1+red=12 so red=11. we should add 11 red counters