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Alik [6]
3 years ago
7

Tim has 5/12 of a jar of BlackBerry jam and 3/8 of a jar of strawberry jam. Write 5/12 and 3/8 using a common denominator

Mathematics
1 answer:
lora16 [44]3 years ago
4 0

Answer:

10/24 and 9/24

Step-by-step explanation:

24 is the common denominator because it is the next smallest number that both 12 and 8 go into. 12 x 2=24 but you have to do the same thing to the numerator if you do something to the denominator so since we multiplyed by 2 now multiply 5 by 2 and get 10. Then the same for 3/8 but 8 goes into 24 3 times so we miltiply by 3, 3x3=9 so you get 9/24 and 10/24. Hope this helps have a great day!

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kodGreya [7K]
1)\\\\\frac{3}{4}-5\frac{3}{7}\\\\\frac{3}{4}-\frac{38}{7}\\\\\frac{3}{4}*\frac{7}{7}-\frac{38}{7}*\frac{4}{4}\\\\\frac{21}{28}-\frac{152}{28}\\\\\frac{-131}{28}\\\\-4\frac{19}{28}\\\\\\2)\\\\-9\frac{3}{10}-\frac{2}{11}\\\\\frac{-93}{10}-\frac{2}{11}\\\\\frac{-93}{10}*\frac{11}{11}-\frac{2}{11}*\frac{10}{10}\\\\\frac{-1023}{110}-\frac{20}{110}\\\\\frac{-1043}{110}\\\\-9\frac{53}{110}
3 0
3 years ago
A store charges $32 to print 80 greeting cards and $0.33 for each additional greeting card
Crazy boy [7]
32 + 0.33c = p

where c is every card more than 80 (so if you want 82 card c = 2)
and p is the total price
8 0
4 years ago
Read 2 more answers
Number 3 . Help please
Alexxx [7]

Answer:

A

Step-by-step explanation:

Im not 100% sure though... i havent taken this class in 3 yrs... xD

5 0
3 years ago
Javier drove 45 miles, this represents 60% of his entire trip. What is the total number of miles in his trip
faust18 [17]
Ratio and proportion

45mi/60%=x miles/100%
cross multiply
60x=4500
   x=75 miles

hope this helps
5 0
3 years ago
Read 2 more answers
John can mow a lawn in 80 minutes. Rocky can mow the same lawn in 120 minutes. How long does it take for both John and Rocky to
mario62 [17]

Answer: it will take them 48 minutes.

Step-by-step explanation:

John can mow a lawn in 80 minutes. This means that the rate at which he moans the lawn per minute is 1/80

Rocky can mow the same lawn in 120 minutes. This means that the rate at which Rocky can mow the same lawn per minute is 1/120

If they work together, they would work simultaneously and their individual rates are additive. This means that their combined working rate would be

1/80 + 1/120 = 200/9600 = 1/48

Assuming it takes t hours for both of them to clean the room working together, the working rate per hour would be 1/t. Therefore,

1/48 = 1/t

t = 48 minutes

4 0
3 years ago
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