The value of x is 4 your just counting the sides
In plain and short, we simply divide the "whole" by the sum of the ratios, and distribute accordingly.
now, 100% is the whole of any amount, so we'll divide 100% by (3+1).
Answer:
The total change was 8*C
Step-by-step explanation:
If the unit rate is 2/1 ~2 degrees per every 1 hour~ than you would need to multiply 2 by the amount of hours given to get the total change in temperature, which would be 8*C.
The student can choose any one of 3 sandwiches. For each of those . . .
He can choose any one of 3 soups. For each of those . . .
He can choose any one of 4 salads. For each of those . . .
He can choose either one of 2 drinks.
Total possibilities = (3 x 3 x 4 x 2) = <em><u>72 different lunches</u></em>.
15 more than half -12 = 9 or -6 + 15 = 9