Answer:
7/27 or 0.259259259259
Step-by-step explanation:
Answer:
it is because 20 + 20 is 40 and then 40 - 20 = 20
Answer:
11.5
you calculate the percentage change which is change/original x 100%
Step-by-step explanation:
Computation is the same whre we perform the same arithmetic operations.
Model meant some form of object or thing to copy or has been portrayed in order to be followed or copied.
Solution meant a chemistry solution like acids.