Math

Franz can finish a 500-word essay in 4 hours. When Jason helped him, they accomplished the task in 1 and 1/2 hours. How much time does Jason need to finish a 500-word essay?

• 2.4 hours

• 4.2 hours

• 1.2 hours

• 2.1 hours

Answer explanation

Answer explanation

. In the figure below, if the length of AB is 10, find the length of AD

• 11 3/8

• 11 3/4

• 12

• 12 1/4

• 12 1/2

Answer explanation

Find side AB.

• 11.54 m

• 8,66 m

• 20 m

• 5 m

Answer explanation

Two chips are drawn simultaneously from an urn containing 10 chips numbered from 1 to 10. What is the probability that one of the numbers on the chips is even, and the other is odd?

• 2/9

• 4/9

• 5/9

• 5/18

Answer explanation

A student downloaded 6 music files to a portable MP3 player. In how many different orders can the songs be played?

• 6

• 24

• 120

• 720

Answer explanation

• a

• b

• c

• d

Answer explanation

• 1/2

• 1

• 2/3

• 3/2

• 1/4

• 1

• 3

Answer explanation

• 1

• 4

• 5/2

• 1/2

Answer explanation