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2 years ago

11

Lucas wants to make a bigger pencil holder. 5 cubes wide, 12 cubes long, 3 cubes high and 1 cube thick. How many cubes were used

for the base of the pencil holder?

1 answer:

dybincka [34]2 years ago

6 0

Answer:

60

Step-by-step explanation:

5 * 12 = 60

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3 years ago

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3 years ago

The average weight of 3 containers A,B and C is 3.2kg. Container A is twice as heavy as container B. Containers B is 400 g heavi

dlinn [17]

Answer:

The weight of container C is 2.1kg.

Step-by-step explanation:

This question is solved using a system of equations.

I am going to say that:

x is the weight of container A.

y is the weight of container B.

z is the weight of container C.

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This means that the total weight is 3*3.2 = 9.6kg. So

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This means that $x = 2y$ .

Containers B is 400 g heavier than container C.

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$2y + y + y - 0.4 = 9.6$

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3 years ago