Answer:
D question,somewhat confusing, itsit's like simultaneous equation,but values are different
ANSWER
EXPLANATION
We want to find the value of a for which the binomial, 2a-1 is smaller than the value of the binomial 7-1.2a by 7.
This means that, when we subtract 2a-1 from 7-1.2a, we should get 7.
Expand:
Group similar terms:
Divide both sides by -3.2,
M + n² = (2) + (-2)² = 2 + 4 = 6
Answer: 6
5:3 because a week has 7 days and 21 days make 3 weeks