Lesson 4-3 page 205 (11&12) 11: 5v + (-2) + 1 + (-2v)
12: 2/3x + (-3) + (-2) - 1/3x
If anyone could help me with this it would be great.

One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.