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Sauron [17]
2 years ago
10

Help again lol??

Mathematics
2 answers:
svlad2 [7]2 years ago
5 0

4 \times 5 = 20 = total \: number \: of \:   blue \: pens. \

5 \times 6 = 30 = total \: number \: of \: black \: pens

highest common factor of 20 and 30=10

20 \div 10 + 30 \div 10 = 5

there will be 5 pens in each box.

dalvyx [7]2 years ago
4 0

Answer:

Step-by-step explanation:

highest common factor of 20 and 30=10

there will be 5 pens in each box.

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4 0
3 years ago
A pack of red pens can be divided into equal shares among 3, 5, 6 and 9 teachers with no pen left over?
Ugo [173]

Answer:

90 red pens

Step-by-step explanation:

we need to find the least common multiple of the numbers 3 , 5 , 6 , 9

6 = 2 × 3

9 = 3²

then

LCM(3,5,6,9) = 2×5×3² = 2×5×9 = 90

The number 90 can be divided into 3 ,5 ,6 ,9 with no remainder

Therefore the pack must have 90 pens or a multiple of 90

For example 180 , 270 ...

7 0
2 years ago
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