Answer:
19.26
Step-by-step explanation:
7% of 18 is 1.26
1.26+18=19.26
Let
R = Ralph's age
S = Sara's age
First statement is translated as:
S = 3R
Second statement is translated as:
S + 4 = 2(R + 4)
Use the first equation to be substituted into the second one in terms of R which is the one we are actually going to solve for Ralph's age.
Since S = 3R, then
3R + 4 = 2(R + 4)
3R + 4 = 2R + 8
3R - 2R = 8 - 4
R = 4 years old
Answer: She ran 3 miles
Explanation:
1/2 miles walked) • X = (2 Miles walked)
X= 4
4 • 3/4 miles ran = 12/4 miles ran = 3 miles ran.
