Math
posted by Jerald on .
The ratio of the width to the height of most television screens is 4 to 3. If a television screen is 28 inches wide how tall would the screen be?
A.12
B.15
C.21
D.25
C?
The ratio of girls to boys in Mrs.Hughes classes is 9 to 10. If there are 81 girls in her glasses how many boys are there?
A.2
B.9
C.90
D.120
C?
The ratio of baseball cards to football cards in Jason's collection is 6 to 5. If Jason has 540 baseball cards how may football cards does he have?
A.640
B.450
C.90
D>30
B?

all are correct

The ratio of football players to basketball players at the high school is 12 to 5. If there are 45 basketball players how many football players does the high school have?
A.240
B.180
C.108
D.48
C? 
F : B = 12 : 5
= ? : 45
what happened to the 5 in the first ratio? it was multiplied by 9, so we have to multiply the 12 by 9
12:5
= 108 : 45
You are correct again, but please don't tag on a new question in the replies. Post it as a new question.