4b is equivalent to b+b+b+b
Answer:
As a model for representing fractions, the number line differs from other models (e.g., sets, regions) in several important ways. First, a length represents the unit, and the number line model suggests not only iteration of the unit but also simultaneous subdivisions of all iterated units. That is, the number line can be treated as a ruler.
Step-by-step explanation:
He should use yards or meters
Answer:
a. −5x−1
b. 11x−1
Step-by-step explanation:
318.50 x .30 = 95.55 discount.
318.50 - 95.55 = 222.95 is the total bill
