Probability questions for 40 points! 100 students are asked whever they study maths or english.
42 study maths.
67 study maths or english.
12 study maths and english.

Find the probability that a student studies:
a) maths or english.
b) maths and english.
c) only one of the two subjects.

x> 6

step-by-step explanation:

8x+8> 7x+14

8x-7x> 14-8

x> 6

the answer is y < -3 or   y > 3

-3y > 7 + 2

-3 y > 9

y < -3

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

4 candies

step-by-step explanation:

7 x 28 = 196

200 - 196 = 4 candies remaining.