Answer:
20 mph
Step-by-step explanation:
First problem:
The new speed is 26 mph.
The old speed was x.
The new speed is 30% higher than the old speed.
1.3x = 26
x = 20
Answer: 20 mph
Second problem:
A number, perhaps a percent or a fraction, is missing from the problem.
The expression to represent the number of minutes Andrew ran is x = 4y - 4
<em><u>Solution:</u></em>
Given that, Andrew ran 4 minutes less than 4 times as many minutes as Chris ran
Let "y" be the number of minutes Chris ran
Let "x" be the number of minutes Andrew ran
From given,
Andrew ran 4 minutes less than 4 times as many minutes as Chris ran
Which means,
Number of minutes Andrew ran = 4 times number of minutes Chris ran - 4
Thus the expression to represent the number of minutes Andrew ran is found
Answer:
Answer is 6 the value of x is 6
Answer:
1570f³t
Step-by-step explanation:
V=πr²h
V=3.14×10²×5
V=3.14×100×5
V=314×5
V=1570
Answer:
A. annually I believe it's the answer bc you add interest every year that way