Question

HELP WITH SOME QUESTIONS PLZ!

Answer 1

For the fist one, there are 5 yellow with 4 holes

there are a total of 35 all together

5/35 = 0.142 or about 14%

Answer 2

The second, is the area of region A, divided by the area of the whole large triangle.

Answer 3

Area of Whole Triangle = 0.5 * 12 * 8 = 48

Area of Region A = Whole triangle - Region B = 48 - .5*9*6 = 48 - 27 = 21

Area of Region A / Area Whole Triangle = 21/48 = 0.4375 or about 48%

Answer 4

The third one: 10 out of 20 cards are 0dd and 3 out of 10 letters are DIG
Chance of pulling DIG or and ODD

(10+3)/30 = 13/30

Answer 5

Fourth one: There are 6 front row out of 24
There are 8 aisle chairs out of 24
There are 2 that are counted twice

6/24 + 8/24 - 2/24

Answer 6

Fifth: Catching one brown trout is 15 / 24 chance

Catching 2 in a row is (15/24)(15/24) = 225/576 = 25/64 chance

Answer 7

Sixth: (6/18)^2 = 1/9 chance of 2 blue in a row

Answer 8

Seventh: (#even)/(#total) = 2/3