5272道题目5525 条题源记录 · 相同内容已合并
百分比关系・求百分数进阶
A car dealership has only sedans, SUVs, and minivans for sale. On Monday, 30% of the vehicles for sale were sedans and 50% were SUVs. If there were 57 sedans for sale at the dealership on Monday, how many minivans were for sale?
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百分比关系・求百分数挑战
0.1242 is 0.09% of the number b. The number b is 25% of the number c. What is the value of c ?
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百分比关系・求百分数进阶
Of the 300,000 people in a region, 174,000 people voted in an election. If p% is the percentage of people in that region voted in that election, what is the value of p?
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百分比关系・求百分数挑战
0.1323 is 0.09% of the number b . The number b is 75% of the number c. What is the value of c?
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百分比关系・求百分数进阶
The table summarizes the number of objects in each group.
The number of objects in group C is p% of the number of objects in group A. What is the value of p?
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百分比关系・求百分数进阶
During a study, scientists researched neutrinos (subatomic particles) that strike the earth's surface. The energy, E, of the neutrinos is measured in units of \( 10^{12} \) electron volts (TeV). The table shows the results of the scientists' research.
What percentage of these neutrinos had an energy of 90 TeV or less?
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百分比关系・求百分数进阶
For the positive quantities m, q, and r, m is 20% of \( m+q+r \), q is 30% of \( q+r \), and the value of r is 1,526. What is the value of m?
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百分比关系・求百分数进阶
What is 20% of 230?
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百分比关系・求百分数进阶
If x is a positive integer, the expression \( 0.36x \) represents what percent of x?
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百分比关系・求百分数进阶
A real estate company offers a series of three webinars. 3,750 people attended the first webinar. 72% of the people who attended the first webinar attended the second webinar, and 40% of the people who attended both the first and second webinar attended the third webinar. Of those who attended the first but did not attend the second webinar, 32% attended the third webinar. How many people attended both the first and third webinars but did not attend the second webinar?
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百分比关系・求百分数进阶
A jar has 610 marbles, and 20% of these marbles are orange. How many marbles in the jar are orange?
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百分比关系・求百分数挑战
The mass of object A is 481% of the mass of object B, and the mass of object A is 0.740% of the mass of object C. If the mass of object C is p% of the mass of object B, what is the value of p?
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