Answer: y = x
Step-by-step explanation: Since this does not correspond to a size or amount to a number, then this is not proportional
Answer:
(a) x=−20 1/2
Step-by-step explanation:
Multiply by the product of the denominators and solve the resulting linear equation in the usual way.

Answer:
1222 billion dollars.
Step-by-step explanation:
To find the total increase from 1960 to 2010, we need to find the growth of each decade and sum them all:
In the period 1960-1970, we have x = 1, and the growth is:

In the period 1970-1980, we have x = 2, and the growth is:

The growth in the following 3 periods are:



So the total growth in the period 1960 - 2010 is:



Rounding to the nearest billion dollars, we have a total of 1222 billion dollars.
2400 divided by 10 is 240 and 240 x 3 = 720 so your answer would be 720 calories per day
Answer:
8 Books
Step-by-step explanation:
First find how many she had before buying 8 more-
12 - 8 = 4
Then multiply that by 2
4 x 2 = 8
The had 8 books to begin with