Are the ratios 3: 6 and 2: 4 equivalent

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did