Question

Introduction to Ratios: Mastery Test 1 Select the correct answer from each drop-down menu. The ratio of the number of circles to the number of triangles in simplest form is The number of circles that need to be added to make the ratio 1:1 is Reset Next

Answer 1

a ratio is a division

on the first case the circles between the triagles

so

`(9)/(12)\longrightarrow(3)/(4)`

for a ratio to be 1: 1 the quantities must be equal, so we need 3 circles more