#algebra
The lengths of the sides of a triangle are y y , + 1, and 7 centimeters. If the perimeter is 56 centimeters, what is the value of y?
24
What is the equation of the line that has a slope of 4 and passes through the point (3 --10 ,)?
y = 4x ?22
The height of a triangle is 4 inches greater than twice its base. The area of the triangle is 168 square inches. What is the base of the triangle?
12 in.
Andy’s average driving speed for a 4-hour trip was 45 miles per hour. During the first 3 hours he drove 40 miles per hour. What was his average speed for the last hour of his trip?
60 miles per hour
If Lynn can type a page in p minutes, what piece of the page can she do in 5 minutes?
5/p 
If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to paint the house together?
2 hours and 24 minutes 
IF employees of a discount appliance store receive an additional 20% off of the lowest price on an item. If an employee purchases a dishwasher during a 15% off sale, how much will he pay if the dishwasher originally cost $450?
 $306 
If Leah is 6 years older than Sue, and John is 5 years older than Leah, and the total of their ages is 41. Then how old is Sue?
8 
Alfred wants to invest $4,000 at 6% simple interest rate for 5 years. How much interest will he receive?
1200
The city council has decided to add a 0.3% tax on motel and hotel rooms. If a traveler spends the night in a motel room that costs $55 before taxes, how much will the city receive in taxes from him?
17 cents 
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