Think & Click: Ratios
Now, you try. Complete the Think & Click activity by looking at each problem below, thinking about it, and then clicking on the question to reveal the solution.
Write the ratio that shows that on a test, there are 3 multiple choice questions for every 1 true/false question.
MC:TF
3:1
3 to 1
Write the ratio that shows that in a zoo, there are 5 zebras for every 2 sea lions.
Zebras: Sea lions
5:2
5 to 2
The ratio of side of a pentagon is 1:3:2:4:6 and the perimeter is 48 inches. Find the length of each side.
Side 1: 1x
Side 2: 3x
Side 3: 2x
Side 4: 4x
Side 5: 6x
1x + 3x + 2x + 4x + 6x = 48
16x = 48
x = 3
Side 1: 1x = 1(3) = 3 inches
Side 2: 3x = 3(3) = 9 inches
Side 3: 2x = 2(3) = 6 inches
Side 4: 4x = 4(3) = 12 inches
Side 5: 6x = 6(3) = 18 inches
The ratio of side lengths of a rectangle is 3 to 4. The area is 48 square centimeters. Find the length of each side.
Side 1: 3x
Side 2: 4x
Area = (3x)(4x) = 48
12x2 = 48
x2 = 4
x = 2 (We can ignore the negative solution, since we are working with side lengths.)
Side 1: 3x = 3(2) = 6 centimeters
Side 2: 4x = 4(2) = 8 centimeters
