Its 1 and 2 because 5 and 4 look similar but its not as close as 1 and 2 based on the photo u put
calculate area of wall
20 x 1.5 = 30 square meters
now calculate area of 1 block
12 x 18 =216 square centimeters
convert cm to meters 1 cm^2 = 0.0001m^2
so 216 x 0.0001 = 0.0216 sq meter for 1 block
divide area of wall by area of block
30/0.0216 = 1388.88 so 1389 blocks are required.
Answer is 29 volume I Hope i am right
<span>Where is The set?? can you add it please</span>
Answer:
-0.6666666
Step-by-step explanation:
you divide -4/6 which is the same as -2/3 which is -0.6666