The first picture shows solution for a. For b). X=9,2
The trick question is that you can’t effect an unknown value because you don’t know what number it is, it has to be a known value, there is nothing that you can do to figure it out, so it’s unknown and cannot be effected.
Measure the perimeter and the are and the see how long and wide the tile is
Answer:
a=8:12 c=£1.05:0.70 d=30:50:60:40
b=9:15
Step-by-step explanation:
You need PEMDAS
do 3·6 and then 12/6
when you subtract the product and quoetient you get 16 for the answer