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Whitepunk [10]
3 years ago
13

1. A local pizzeria sold 65 pizzas yesterday. (a) The owner offers the employees a bonus if the number of pizzas sold increases

by 20% today. How many pizzas must the pizzeria sell for employees to receive the bonus? Explain your reasoning. (b) Today the pizzeria sold 60 pizzas. What is the percent increase or decrease of pizzas sold from yesterday to today? Round your answer to the nearest hundredth. Show your work
Mathematics
1 answer:
Ad libitum [116K]3 years ago
6 0
I think the answer is

65 + 0.20(65) = 65 + 13 = 78..they would have to sell 78 to get the bonus

(65 - 60) / 65 = 5/65 = 0.0769 x 100 = 7.69 rounds to 7.7 % decrease compared to the 65 pizza's sold yesterday

Not completely sure though, but
Hope It Helps
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Read 2 more answers
2. Company A packages roofing nails in boxes that are normally distributed with a mean of 276 nails and a standard deviation of
Natali5045456 [20]

Answer:

Company B

Step-by-step explanation:

We would use z score formula

z = (x - μ) / σ

x = raw score

μ = mean

σ = Standard deviation

let x = 260 with the mean μ1 = 276 and standard deviation σ = 5.8

let x = 260 with the mean μ2 = 252 and standard deviation σ = 3.4

z1 = (x- μ1) / σ = (260- 276) / 5.8 = -2.7586206897 = -2.76

z2 = (x2 - μ) / σ = (260 -252) / 3.4= 2.3529411765 = 2.35

Comparing the two z scores, we can see that company B has the probability of producing 260 nails because it has a z score of 2.35 compared to company A with a z score of -2.76.

6 0
3 years ago
Solve the following equation for x.<br> 11x– 1 = -89
muminat

Answer:

x = -8

Step-by-step explanation:

11x– 1 = -89

Add 1 to each side

11x– 1+1 = -89+1

11x = -88

Divide each side by 11

11x/11 = -88/11

x = -8

3 0
2 years ago
If you know the number of yards for a measurement, you can change that measure to meters by multiplying the number of yards by 0
guajiro [1.7K]
Question 1)

Let "y" denotes the number of yards and "m" denotes the number of meters. According to the give statement, measurement in yards can be changed to measurement in meters by multiplying the measure in yards by 0.9144.

So,

Measure in Meter = 0.9144 x Measure in Yards
m = 0.9144y

Question 2)

We are to convert 7200 yards into meters. Using the values in above equation we can write:

m = 0.9144 x 7200
m = 6583.68 meters

This means 7200 yards are equivalent to 6583.68 meters..

Question 3)

We are to convert 2500 meters to yards.
Using the value in above equation, we get:

2500=0.9144y
⇒
y = 2500/0.9144
y = 2734.03 yards

So this means 2500 meters are equivalent to 2734.03 yards.
7 0
3 years ago
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