If customers order 4 pizzas, then each pizza only costs $4.44. Mr. Pelee orders 4 pizzas, and wants to tip the driver 20% of the cost of the order. How much should Mr. Pelee tip, rounded up to the nearest cent? A. $3.55
B. $4.75
C. $17.76
D. $21.31

If 25% of y is 30, what is 60% of y?

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?

Find two numbers if their sum is 91 and the ratio is 6: 7?