4 years ago

Help with this problem please !!!!!

Mathematics

2 answers:

Delvig [45]4 years ago

8 0

Answer:

The answer is k = 28

Step-by-step explanation:

$\frac{12}{k}=\frac{18}{42}$

Cross multiply. Remember, $\frac{a}{b}=\frac{c}{d}$ ⇒ ad=bc

$\frac{12}{k}=\frac{18}{42}$ ⇒ k·18=12·42

k·18=12·42

Simplify

18k=504

÷18 on both sides

k=504÷18

Simplify

k=28

Karolina [17]4 years ago

3 0

Answer:

Step-by-step explanation:

Cross multiply

18k = 12 x 42

18 k = 504

k = 504/18

k = 28

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