Use a proportion.
9/15 = 12/x
Cross multiply.
9x = 15 * 12
9x = 180
x = 20
Answer: 20 mm
<span>A double-bar graph is a graphical method of representing the frequency of specific ordered "Pairs"
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24 + 3r = 100
Subtract 24 from both sides.
24 - 24 + 3r = 100 - 24
Divide
3r = 76
3r/3 = 76/3
r = 25.3
Rounded to 25.
They would have to be rewarded 25 times in order to have a party.
Based on the number of children and tricycle wheels, the ratio of children to tricycle wheels is 10 : 18
<h3>Solving ratio problems</h3>
- Number of children = 10
- Number of tricycles = 6
- Number of wheels per tricycle = 3
Total wheels of tricycle = Number of tricycles × Number of wheels per tricycle
= 6 × 3
= 18 wheels
Ratio of children to tricycle wheels = 10 : 18
= 5 : 9
Therefore, the ratio of children to tricycle wheels is 10 : 18
Learn more about ratio:
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