Find the value of x so that the ratios 8:20 and 6:x are equivalent x=

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One positive number is 9 more than twice another. if their product is 95, find the numbers

Explain how you can use the associative property to evaluate (7x50)x4.

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.