Answer:
If they work together, it would take them 22 hours.
If the puzzle was solved in 1/5 hour, we can multiply the time it took to solve one puzzle by 5.
2/5(5/1)
=10/5
=2
So she'll be able to solve 2 puzzles in one hour.
:)
Answer:
4px=20
x=(20/4p)-----(1)
-4px=20--------(2)
putting value of x in epn 2
-4p*20=20*4p
-80p=+80p
Both cut these value are rejected
Checkout the question again bro it might be wrong
Please for my hard work make me brainliest answer
