4 years ago

Three students are preparing information packets about an upcoming fundraiser event.

1 answer:

3 0

Rate=amountdone/time

convert everybody to minutes
1 hour=60 minutes
45 mins=45 mins
1.5 hour=1.5 times 60=90mins
1hour and 10mins=60+10=70mins

laurenrate= 270packets/45mins=6ppm (packets per minute)
hannahrate=450packets/90mins=5ppm
jakobrate=280packets/70mins4ppm

whoever worked the fastest, has the highest ppm

lauren is winner

answer is A. lauren

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Albert bought 9 pounds of fish at a grocery store at $5 per pound for salmon and $3 per pound for catfish. He spent a total of $

zalisa [80]

Answer:

5 pounds

Step-by-step explanation:

To find that we simply solve the system of equations
So make c the subject of the formula of equation 2
$s+c=9\\c=9-s$
Substitute in equation 1
$5s+3c=37\\5s+3(9-s)=37\\5s+27-3s=37\\5s-3s+27-(27)=37-(27)\\2s=10\\s=5$ so that's 5 pounds of salmon