Question

1) 3:7:: X: 42, then x = ?



pls help me guys with this but step by step explanation pls​

Answer 1

Answer:

$3 /7 = x /42$

$cross \: multiply$

$7 \times x = 42 \times 3$

$7x = 126$

$x = 126 /7$

$x = 18$

Answer 2

Answer:

This concept name is Ratio and Proportion

Step-by-step explanation:

3:7::X:42

To find the value of X Multiply the

7×X=42×3 X= 42×3/7 42/7×3 is equal to 6×3 and the answer is 18..You can use this method for any sun like this...

Please mark my Answer as BRAINLIST

Hope it Helps