Answers To Pre Algebra Problems
Will someone please answer one of these pre-algebra percentage problems?
Easy 10 points!!!
1. of the building permits issued, 85% were for single family dwellings. there were 760 permits issued. How many were for single-family dwellings?
2. Leona answered all the questons on a test. She had 90% of them correct. There were 40 questions total. How many did she have correct?
3. Of the 45 seats on the bus, 60% are filled. how many seats are filled?
4. An oil tank will hold 250 gallons. The tank is 80% full. How many gallons of oil are in the tank?
5. A contractor is to remove 600 cubic feet of earth. So far, 70% of the work has been donw. How many cubic feet of earth have been removed?
6. Mrs. Hughes bought a mixture of grass seed that contained 75% bluegrass seed in all. How many pounds of blue grass seed did she get?
7.Mr.Jones car gets 15.6 miles per gallon of gasoline. He can improve his gas milege by 15% by getting a tune up. By how much will his gas mileage improve with a tune up?
1. 760 x 0.85= 646
2. 40 x 0.9=36
3. 45 x 0.6=27
4. 250 x 0.8=200
5. 600 x 0.7=420
6. total pounds of seed x 0.75= pounds bluegrass seed
7. 15.6 x 0.15= 2.34
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