# Grade - examples - page 220

1. Monica
Monica left Php.900 to Bianca. When monica asked for it after 6 months, Bianca decided to give Php.945 instead because she was able to use the money. What interest rate on Monica's money was used by bianca?
2. Selling price
Find the selling price. Cost to store: \$50 Markup: 10%
3. Given
Given 2x =0.125 find the value of x
4. Cake 7
1/3 of a cake shared with 4 people. What share of the whole cake has each people?
5. Component fail
There is a 90 percent chance that a particular type of component will perform adequately under high temperature conditions. If the device involved has four such components, determine the probability that the device is inoperable because exactly one of the.
6. What is one third
What is 1/3 as a decimal? Give your answer rounded to 2 decimal places.
7. One trapezium
One trapezium has AB=24M, BC=36M, CD=80M, DA=80M long sides. Find the area.
8. Math test
Obelix filled a mathematical test in which he answered 25 questions. For every correct answer, he received 5 points, for each bad answer he had 3 points deducted. Obelix gained 36% of all points in the test. How many questions did he solve correctly?
9. Ribbon on the cube
A cubical gift box is tied with a piece of ribbon. If the total length of the free ends and the bow is 18 inches, what is the length of the ribbon used? (Each side of the cube is 6 inches).
10. Reduce to lowest terms
Reduce to lowest terms : 32/124
11. What is 3
What is the least common denominator of 11/15 and 12/19?
12. Find the 6
Find the total cost of 10 computers at \$ 2100 each and 7 boxes of diskettes at \$12 each
13. Greg and Bill
Greg is 18 years old. He is 6 less than 4 times Bill's age. How old is Bill?
14. Fix + percentages
Mrs. Vargas is a car sales agent who earns Php.5,850 monthly plus a 4% commision on all her sales. During a month, she sold a car worth Php.740,000. How much is her total earnings?
15. School yearbook
Bianca sold Php.18,500 worth of advertisements for the school yearbook. If she is given a commision of 8%, how much did she earn for the advertisements?
16. Father and daughter
When I was 11 my father was 35 year old. Now, father has three times older then me. How old is she?
17. Flooring a room
Find the cost of flooring a room 6.5 m by 5 m with square tiles of sides 25 cm at the rate of rupees 9.40 per tile.
18. Closed drum
Find the total surface area of a closed cylindrical drum if it's diameter is 50 cm and height is 45 cm . (π= 3.14)
19. Phone plan
Victoria's cell phone plan costs \$30.00 a month. If she used 12.5 hours in May, how much did Victoria pay per minute?
20. Gasoline price
At 34.4 cents per liter, how much will 42 liters of gasoline cost?

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