Answer:
30 ft
Step-by-step explanation:
We can use the given information to set up a ratio...


We can solve this ratio using cross multiplication (multiply the numerator of the first fraction by the denominator of the second and the numerator of the second fraction by the denominator of the first):
120 = 4x
Divide both sides by 4
x=30 ft
It’s the last one (10,800)
A.) 135 miles in 3 hours = 45 miles per hr
B.) 22 miles in 1 hour= 22 miles per hr
C.) 7.5 miles in 1/4 hour = 30 miles per hr
D.) 100/3 in 2/3 hour = About 49.9 mph
E.) 97.5 in 1.5 hours = 65 miles per hr
Answer:

Step-by-step explanation:

Multiply the row of the first matrix to the column of the second matrix





simplifying them we get

200% bc it went up 2x as much as it cost before