Question

when do we use cross multiplication?? ​

Answer 1

Answer:

Step-by-step explanation:2\3=4x/5

2×5=3×4x

10=12x

X=10/12

X=5/6

We use cross multiplication to find the value of any alphabet when the value of the particular alphabet is not given ,and also in the above example

Answer 2

Answer:

in mathematics, specifically, in elementary arithmetic and elementary algebra given an equation between two fractions or rational expressions, one can cross multiply to simplify the equation or determine the value of a variable

Step-by-step explanation:

examples

2/x=10/13

10x=2*13

x=2*13/10

x=13/5