Online Topic lest
The ratio of the length of a room to its width is 5 to 3. What is the width of a room if its length is 30 feet?
Length (feet)
Width (feet)
5
3
10
6
15
9
20
12
25
?
30
2
O
A 15 feet
B. 18 feet
C. 20 feet
D. 24 feet
B. 18 feet, Length to Width 5 : 3 30 : x we have to find the number we multiply by 5 to get 30. 30/5 = 6 so we have to multiply both of the numbers (3 and 5 the numbers of the ratio) by 6. 3 x 6 = 18 ft 5 x 6 = 30 ft therefore the answer is 18 ft
