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Rations and proportionality

100

 A bowl of fruit contains 3 apples and 4 bananas. What is the ratio of apples to bananas? Write it in three different ways.

3:4 or 3/4

200

In a high-tech laboratory, the ratio of Oxygen atoms to Hydrogen atoms in a specific compound is . If a chemist adds more Oxygen atoms, the new ratio of Oxygen to Hydrogen becomes . How many Hydrogen atoms are in the compound

There are 32 Hydrogen atoms.

300

A sells 2.5 kg of flour for 6.25. Store B 400g for 1.10. which is the BETTER buy??????

Store A was better

400

A laptop normall cost $850 is on sale for 15% off. if the sale is 8% on the discounted price, what is the final cost.

$783.30

The number system

100

What is 1/2 divided by 1/4?

2

200

2/3 divided by 3/4

8/9

300

Bob the dog is fed 2 3/4 cups daily. if a bag contains 24 3/4 cups, how many days can the dog be fed??

 9 days

Expression and Equations

100

what is 2 to the 4th place + 5 

21

200

what is 4 to the 3rd place ?

64

300

what is 5 + 2 x 3 to the 2nd place ?

23

Geometry

100

 A box has a length of 5 cm, a width of 3 cm, and a height of 2 cm. What is the volume?

5 x 3 x 2 = 30 cm 3 cubed

200

A triangle has a base of 8cm and hight of 5cm. what is the area of the triangle?

20cm  2 squared

300

A trapezoid has a base of 6 in and 10 in, and a hight of 4 in. what is the area?

32in 2 squared

Stats and prob

100

what is the median of 5,3,2,7,9,1,4 ?

4

200

what is the mode of 6,2,7,2,5,2,5 ?

2

300

what is the range of 5,2,8,2,8,2,7

3

400

what is the mean of 5,4,3,8,0

4