Let t= time in hours, b= no of keychains made by brad, v=no of keychains made by velma.
b=4t
v=3t+6
equate b and v to get time t when they have equal keychains.
so, 4t=3t+6
so, t=6 hours
35.5 cm should be the perimeter of the parallelogram
Answer:
$3840
Step-by-step explanation:
4/5 = 80%
20% of $4800 = $960
$4800 - $960 = $3840
