1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
timama [110]
3 years ago
12

A group of 18 people ordered soup and sandwiches for lunch. Each person in the group either ordered one soup or one sandwich . T

he sandwiches cost $7.75 and the soup cost $4.50 if the total cost of all the food was $113.50 how many sandwiches where ordered?
Mathematics
1 answer:
kkurt [141]3 years ago
8 0
Let's say a = number of ordered soups, b = number of ordered sandwiches.

Then 4.5a + 7.75b = 113.50, and a and b are integers between 0 and 18 inclusive.

How do we tackle this? If all ordered soup, the cost would be $81, so we'll have at least 4 sandwiches. If all ordered sandwich, the cost would be $139.5, so at most 15 sandwiches were ordered. You also know an even number of sandwiches was ordered, to let the price end at 50 cent.

If you brute-force from 4,6,8,10,12 to 14 sandwiches, you find the answer at 10 sandwiches and 8 soups.

10*7.75 + 8*4.50 = 113.50


You might be interested in
The point P(x, y) lies on the terminal side of an angle mc014-1.jpg = –60° in standard position. What are the signs of the value
AURORKA [14]
Its  c x<span> is positive, and </span>y<span> is negative.</span>
3 0
3 years ago
The region bounded by y = e−x2, y = 0, x = 0, and x = b (b &gt; 0) is revolved about the y-axis. (Round your answers to three de
kari74 [83]

Answer:

0.982 * \pi  = 3.085 cubic units

Step-by-step explanation:

To find the volume of the solid generated by a region that is bounded by lines where x = 0 , x (b) = 2 we apply the formula given in the attachment below  

the required region boundaries are

y = e^-x2 , y = 0 ,  x = 0,  x = b ( b >0)

attached below is a detailed solution of the problem

6 0
3 years ago
Micheal wants to find the length of a shadow of a tree. He measures the height of a fence post and the length of the shadow it c
Arlecino [84]
Im pretty sure the answer is 92.0 becauese 
if you do 10.5x3.5                                                                                                5x5=25                                                                                                                5x0+2=7                                                                                                              5x1=5 so that will be 57.5 then your going to do                                                3x5=15                                                                                                                3x0+1=4                                                                                                           3x1=3  that equals 34.5 then your going to add                          57.5                                                                                                                 +34.5
= 92.0
7 0
3 years ago
Complete the statement below.
slava [35]

━━━━━━━☆☆━━━━━━━

▹ Answer

<em>3 × 4 = 4 × 3</em>

▹ Step-by-Step Explanation

You can use any expression that shows the commutative property of multiplication. For example, 3 × 4 = 4 × 3

Hope this helps!

- CloutAnswers ❁

Brainliest is greatly appreciated!

━━━━━━━☆☆━━━━━━━

4 0
2 years ago
A cylinder and a cone have the same radius and height. The volume of the cylinder is 639 ft ^3. what is the volume of the cone?
AURORKA [14]

The volume of the cone is: A. 213 ft³.

<h3>Volume of a Cylinder and a Cone</h3>
  • Volume of cylinder = πr²h.
  • Volume of cone = ⅓πr²h.

Given:

radius and height of both the cylinder and the cone are equal.

Volume of Cylinder = 639 ft³

Therefore:

πr²h = ⅓πr²h

This means that volume of cone would be ⅓ of the volume of the cylinder.

Volume of cone = ⅓(639) = 213 ft³

Therefore, the volume of the cone is: A. 213 ft³.

Learn more about volume of cone on:

brainly.com/question/13677400

7 0
2 years ago
Other questions:
  • I have this problem and I don’t know 287*6=25 what if the answer
    12·1 answer
  • Beth is using triangular shaped pieces to cover the front of a pillow. The base of each triangle is 9 inches and the height of
    11·2 answers
  • Determine whether the function is linear or quadratic. Identify the quadratic, linear, and constant terms of the equation: y=(x-
    9·1 answer
  • Which ordered pairs are on the line ​ 3x−4y=9 ​?<br><br> Select each correct answer.
    7·1 answer
  • Which value is equivalent to 15 − 4 × 2? A) 2 B) 7 C) 9 D) 23
    13·2 answers
  • Help please asap!!!<br><br> please:(
    10·2 answers
  • Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis: y=x6, y=1 abo
    11·1 answer
  • Describing How to Create a System of Equations
    10·1 answer
  • Every morning Nora makes five gallons of her refreshing lemonade. Each order of lemonade is exactly one cup.
    12·2 answers
  • Please help ill mark brainliest please if u know the answer
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!