Answer:
Step-by-step explanation:
Given that:
Keiko sold 3 less than three-fourths of his sister's sale.
To find:
Expression that represents what Keiko sold ?
Solution:
First of all, let the sales done by Keiko's sister =
Now, let us consider the Keiko's sale word by word.
3 less than three-fourths of his sister's sale.
- Three fourth of his sister's sale i.e.
- 3 less
i.e. subtract 3 from the expression obtained in 1st line.
So, sales done by Keiko =
So, correct answer is:
Answer:
2.5 hours after you start
Step-by-step explanation:
You are driving 14 mph faster than your friend, so will make up the 35 mile head start in 35/14 = 2.5 hours. You will meet 162.5 miles from your starting location. If that is Philadelphia, you will have 37.5 miles to go.
You will catch up after 2.5 hours of driving.
_____
You will arrive about 9 1/2 minutes ahead of your friend.
Perpendicular lines are lines that intersect and parallel line are lines that are parallel to each-other and never intersect