4 : 9 □12 : 27
The simplest form of the ratio 12 : 27 is1227=3×43×9=4949=49So, ratios are equal.
Question 4(d) :
Fill in the missing fractions:
□+527=1227
Question 27 Factorise the following: (i) 9x2–12x+3 (ii) 9x2–12x+4
Fill in the missing fraction: