A factory increased its production by 22.5% and produced 4900 tonnes .How many tonnes was it producing before?
2 answers:
You might be interested in
Answer:
A
Step-by-step explanation:
a^3 is a * a * a, b^2 is b * b, so we can write that in the numerator.
a^2 is a * a. So we can change that in the denominator.
The denominator cancels out with part of the numerator, and leaves us with just a*b, which is ab, which is answer A.