2 years ago

20 is what percent of 52? Round your answer to the nearest tenth.

2 answers:

7 0

20/52 = b/100
20 x 100/52 x b
2000/ 52b
b = 38.5

Explanation:

b is a variable that stands for the unknown quantity
Write 20/52 as equal to b/100
Next we cross multiply 20 by 100 = 2000 and 52 by b = 52b
2000/52b is equal to 38.46 but roundest to the nearest tenth it is 38.5

bearhunter [10]2 years ago

6 0

Answer:

88.3%

93.6%

98.6%

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