Answer:
219 + 159 <= x <= 369 + 309
378 <= x <= 678
Step-by-step explanation:
(a) 28%
(b) 24%
When calculating the total amount of people it come out to 150.
According to the table 42 people smoke. 42/150 is 28%
According to the table 36 people exercise regularly. 36/150 is 24%
Answer:
x=18
Step-by-step explanation:
21:28=x:24
1. rewrite: 21/28 = x/24
2. simplify: 3/4=x/24
3. multiply 24 to both sides: x=18
I think it will be The seconds one so B
Answer:

Step-by-step explanation:
We want to simplify:

This is the same as:

Now let us convert the mixed numbers to improper fractions.

We multiply by the reciprocal of the second fraction to get:

Cancel out the common factors to obtain:
