Answer:
It took Jen 4 hours to catch up with Laura
Step-by-step explanation:
Gaining speed 45-30= 15 mph
Laura's head start 30×2=60 miles
Time for Jen to catch up 60÷15= 4 hours
In other words
30(t+2)= 45t
30t+60= 45t
60=45t-30t
60= 15t
t=4 hours
32,005,008 = 30,000,000 + 2,000,000 + 5,000 + 8
20 - 4x = 2(4 - 8x)
Make sure to do the parentheses first or factor out first
20 - 4x = 8 - 16x
add 16x to both sides
20 + 12x = 8
Subtract 20
12x = -12
Divide by 8
x = -1
Answer:
The answer is 162.
Step-by-step explanation:
To find the percentage of a number:
Turn the percentage into a decimal. 90% to .90
Multiply the decimal by the number you want to find the percentage of. .90 x 180
The answer is the product.
The first incorrect is the second step so choice B. ,bc. the exponents need assuming not multiply
hope helped
