Sydney’s age is 50.
Devaughn age: x-15 Sydney’s age: x
x-15+x = 85
2x-15 = 85
2x = 100
x = 50
You need the formula: feet per second = feet/second
Now you have to recast the formula to:
feet per second * second = feet , because you want to know the number of feet.
At the bottom is the answer.
At last you have to insert the values:
28 feet per second * 20 seconds = 560 feet
Answer:
Step-by-step explanation:
The equation has one solution.
6(x+2)=5(x+7)
6x+12=5x+35
6x+12-5x=35
6x-5x=35-12
x=23
Therefore, the equation has ONE solution.
Answer:
D.the population change is inconsistent
