Revise how to work out equivalent ratios and simplify ratios by dividing both sides by the highest common factor. Test yourself with practice questions and a quiz.

Ricardo Martinez, Ji Yeong I, Four Ways to Determine Equivalent Ratios, Mathematics Teaching in the Middle School, Vol. 24, No. 1 (September 2018), pp. 48-52 ...

JAMES R. MACFADYEN, ON THE CONSIDERING THE "PAID-UP" POLICY AS THE EQUIVALENT OF THE RATIO THE PREMIUMS PAID BEAR TO THE TOTAL NUMBER PAYABLE, Journal of the Institute of Actuaries and Assurance ...