Answer:
The ratio of boys to girls to 5:7
Let the number of boys be 5x
Let the number of girls be 7x
5x = 30
x = 6
Now just plug in 6 for the x in 7x
and number of girls 7 x 6 = 42
In order from top to bottom, 2,8,14,20
And it’s the second graph (right)
A) 2x-7=13
2x=20
x=10
B) 3x+4=25
3x=21
x=7
25 percent. in order to get only one face card you must get the ten and any other card. the probability of getting the 10 is 25 percent so that's the answe