K + L + M equals L + M + K what property does this demonstrate

2 answers:

8 0

K + L + M equals L + M + K demonstrates the commutative property, because you can "flip - flop" the numbers around in that property.

lutik1710 [3]4 years ago

6 0

This demonstrates the commutative property because the commutative property is a property where you can switch up the numbers all you want and still get the same answer. This only works with addition and multiplication.

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Flaky pastry can be made using flour and fat in the ratio 4 : 3. Jake makes some flaky pastry using 90 grams of fat. What weight

lubasha [3.4K]

Answer:

He use 120 grams of flour.

Step-by-step explanation:

Given:

Flaky pastry can be made using flour and fat in the ratio 4 : 3. Jake makes some flaky pastry using 90 grams of fat.

Now, to find the weight of flour he use in making flaky pastry.

Let the weight of flour be $x.$

Weight of fat = 90 grams.

The ratio of flour and fat used in making flaky pastry is 4 : 3.

As, 4 is equivalent to 3.

Thus, $x$ is equivalent to 90.

Now, to solve using cross multiplication method:

$\frac{4}{3} =\frac{x}{90} \\\\By\ cross\ multiplying\ we\ get:\\\\360=3x\\\\Dividing\ both\ sides\ by\ 3\ we\ get:\\\\120=x\\\\x=120\ grams.$

Therefore, he use 120 grams of flour.

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