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3 years ago

A restaurant bill before tax is $15.50. how much is a 15% tip for this bill?

2 answers:

8 0

Multiply the tip to the bill
15%=0.15
15.50*0.15=2.325

The tip would be $2.33 rounded up
Hope this helps you! Especially when you go out to eat and pay for the bill^^

Oksanka [162]3 years ago

6 0

15.50 times .15 is $2.33

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elixir [45]

Answer:

Step-by-step explanation:

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2 years ago

6 1/2 divided by 3/4

Naddik [55]

The answer is 8 2/3.

5 0

3 years ago

Decompose the fraction (3/4) in at least 5 ways?

gulaghasi [49]

Answer:

Step-by-step explanation:

3/4

6/8

12/16

24/ 32

48/ 64

9/12

4 0

3 years ago

Who had a head start, and how many miles was the head start? Rita had a 28-mile head start. Roger had a 26-mile head start. Roge

serg [7]

Complete question is;

Roger and Rita each drive at a constant speed between Phoenix and San Diego. Each driver’s distance for the same section of the trip is displayed below. Who had a head start, and how many miles was the head start?

A) Rita had a 28-mile head start.

B) Roger had a 26-mile head start.

C) Roger had a 25-mile head start.

D) Rita had a 22-mile head start.

Answer:

A) Rita had a 28-mile head start.

Step-by-step explanation:

Let's assume that Roger travelled a distance of 60 miles

And that;

Rita travelled a distance of 32 miles

We are told that they travelled between Phoenix and San Diego.

Thus, it means that if they have different distances but covered same section of the trip, it means the one with higher distance started before the section of the trip.

Thus, it means that Rita had a head start of Roger since she covered only 32 miles.

Thus;

Rita had a head start of; 60 - 32 = 28 miles

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2 years ago

In order to estimate the difference between the average hourly wages of employees of two branches of a department store, two ind

liberstina [14]

Answer:

Step-by-step explanation:

Hello!

You have two populations of interest and want to compare them. If you define the study variables as:

X₁: average hourly wages of an employee of the Downtown store.

n₁= 25

X[bar]₁= $9

S₁= $2

X₂: average hourly wages of an employee of the North Mall store.

n₂= 20

X[bar]₂= $8

S₂= $1

Both samples taken are independent, assuming that both populations are normal and that their population variances are equal I'll use the Student's-t statistic with a pooled sample variance to calculate the Confidence interval:

95% CI for μ₁ - μ₂

(X[bar]₁-X[bar]₂) ± $t_{n_1+n_2-2; 1-\alpha /2} * (Sa*\sqrt{\frac{1}{n_1} +\frac{1}{n_2} } )$