Answer:
3
Step-by-step explanation:
Valculate it..... Calculate the liked terms
Answer:
It is a rational number because it can be expressed as a fraction in the form of 7/11 explanation:
Answer:
210 tiles
Step-by-step explanation:
15ftx14ft=210ft
The first pump empties half the pond in 3 hours, so in 1/6 that time (1/2 hour), it empties (1/6)·(1/2) = 1/12 of the pond.
The second pump empties the other 5/12 of the pond in that half hour, so has a pumping rate of (1/2 h)/(5/12 pond) = (6/5 h)/pond.
The second pump could do the entire job alone in 1 hour and 12 minutes.
