it takes cindy 3/4 of an hour to
complete a puzzle. how many
puzzles can cindy finish in 3
hours?

1 hour is equivalent to 60 minutes

3/4 hours is - 60 minutes x 3/4 = 45 minutes

3 hours are equivalent to 60 minutes/hr x 3 hr = 180 minutes

it takes Cindy 45 minutes to complete a puzzle

so it takes her 45 minutes for - 1 puzzle

then in 180 minutes she can make - 1/45 x 180 = 4 puzzles

in 3 hours she can complete 4 puzzles

1. 3

2. 4

3. 1

hope this ! have a great day.

-wfz

step-by-step explanation: