If 600 people are surveyed and 70% support a policy, how many support it?

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Multiple Choice

If 600 people are surveyed and 70% support a policy, how many support it?

The main idea is turning a percent into a number by multiplying the total by that percent as a decimal. 70% is the same as 0.7, so you multiply 600 by 0.7: 600 × 0.7 = 420. (You can also see it as 70/100 × 600 = (70 × 600) / 100 = 42000 / 100 = 420.) Therefore, 420 people support the policy. The other numbers would come from applying 70% to different totals (for example, 70% of 6000 is 4200; 70% of 400 is 280; 70% of 500 is 350).

The main idea is turning a percent into a number by multiplying the total by that percent as a decimal. 70% is the same as 0.7, so you multiply 600 by 0.7: 600 × 0.7 = 420. (You can also see it as 70/100 × 600 = (70 × 600) / 100 = 42000 / 100 = 420.) Therefore, 420 people support the policy. The other numbers would come from applying 70% to different totals (for example, 70% of 6000 is 4200; 70% of 400 is 280; 70% of 500 is 350).

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