# Grade - examples - page 218

1. Without 2
Without multipying, tell whether the product 0.644 x 0.25 will be greater than 1 or less than 1? Explane how you know. Then find the product.
2. Election 4
In a certain election there are 3 candidates for president 5 for secretory and 2 for tresurer. Find how many ways the election may (turn out/held).
3. Shuyen
Shuyen wanted to save some money. She deposited Php.300 in a bank which pays 0.5% interest per annum. After nine months, she needed the money to buy some gifts. How much will she be able to get if he withdraws all her money from the bank?
4. Evaluate expression 2
Evaluate expression with negatives: (-3)+4+(-8)+(-6)+4+(-1)
5. Toys 3
Tiffany's toyshop received a shipment of 360 toys. The first day 12 were sold the second day 19 were sold and on the third day, 26 was sold. How many days will the toyshop run out of toys?
6. Eq with reciprocal
Solve given equation with reciprocal member: a-6/a+10=4/8
7. Hussein
Hussein owns 450000. He spent at the bookstore 2 over 9 to buy some books and tales. He paid 3 over 5 of his money to buy his math book. Then he paid his money to buy stories diagram ; a. Calculate the remaining amount of money with Hussein? b. Hussein l
8. Find the 7
Find the number that is smaller than 5 5/12 by as much as 2 2/13 is smaller than 6 1/6
9. Evening shift
While working the evening shift, Officer K took 8 hours to complete a task at his work station and Officer M took 10 hours to complete the same task at his work station. How many hours would it take Officer K and Officer M to complete the same task working
10. One-third 2
One-third of the people in a barangay petitioned the council to allow them to plant in vacant lots and another 1/5 of the people petitioned to have a regular garbage collection. What FRACTION of the barangay population made the petition?
11. Simple equation 6
Solve equation with one variable: X/2+X/3+X/4=X+4
12. A student
A student is to answer 8 out of 10 questions on the exam. a) find the number n of ways the student can choose 8 out of 10 questions b) find n if the student must answer the first three questions c) How many if he must answer at least 4 of the first 5 que
13. Ping time
Calculate theoretical ping time between Orlando and Shenzhen which is 14102 km distant. Ping time measures the round-trip time for small messages sent from the origin to a destination that is echoed back to the source. The name comes from active sonar term
14. Solid food
Stacie is a resident at the medical facility where you work. You are asked to chart the amount of solid food that she consumes. For the noon meal, today she ate 1/2 of a 3-ounce serving of meatloaf, 3/4 of her 3-ounce serving of mashed potatoes, and 1/3 of
15. Substitution method
Solve goniometric equation: sin4 θ - 1/cos2 θ=cos2 θ - 2
16. Coordinates of vector
Determine the coordinate of a vector u=CD if C(19;-7) and D(-16;-5)
17. Completing square
Solve the quadratic equation: m2=4m+20 using completing the square method
18. Mixing Celsius and Fahrenheit
Add up three temperatures: 5°F +6°F +0°C
19. Helmet
In nowadays cycling better results could be obtained not only due to rider physical preparation but also thanks to using updated technologies. One of the most important part of rider´s equipment is his or her helmet. While most bikers wear a helmet mainly
20. Proportion 2
A car is able to travel 210 km in 3 hours. How far can it travel in 5 hours? Put what kind of proportion is this and show your solution.

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