The scientific notation answer is 3.904 x 10^7
The answer is C, because 10.5(10 1/2) x 7.5 (7 1/2) x 2.5 (2 1/2)= 196.875= 196 7/8
Percent increase/decrease formula
change/original * 100
(225-75)/75 * 100=
150/75 * 100 =
2 * 100 = 200% increase
Answer:
120:72:48
Step-by-step explanation:
Remark
Whatever the answer is (call it x to begin with), the equation starts as
5x + 3x + 2x = 240
What this means is that when you solve for x the results when multiplied by the ratio, should add to 240
Equation
5x + 3x + 2x = 240
Solution
Combine all the terms on the left.
10x = 240 Divide by 10
x = 240/10
x = 24
Check
- 5*24 = 120
- 3*24 = 72
- 2*2<u>4 = 48</u>
- Total = 240