Question

4. Which set of ratios would cross multiply (5) (4) and (2)(10) to test for proportionality?

Answer 1

Cross multiplication is done by multiplying the numerator of the left fraction by the denominator of the right fraction and also multiply the numerator of tyhe right fraction by the denominator of the left fraction.

(5)(4) and (2)(10) is gotten from;

`(5)/(2)=(10)/(4)`