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
kaheart [24]
3 years ago
13

A store is having a sale on trail mix and jelly beans. For 7 pounds of trail mix and 9 pounds of jelly beans, the total cost is

$ 37 . For 5 pounds of trail mix and 3 pounds of jelly beans, the total cost is $ 17 . Find the cost for each pound of trail mix and each pound of jelly beans.
Mathematics
1 answer:
Vlad [161]3 years ago
7 0

Answer:

The cost for each pound of trail mix is $ 1.75 and each pound of jelly beans is $ 2.75.

Step-by-step explanation:

Let each pound of trail mix cost x dollars and each pound of jelly beans cost y dollars.

Given:

7 pounds of trail mix and 9 pounds of jelly beans cost $ 37.

So, 7x+9y=37--------------- 1

Also, 5 pounds of trail mix and 3 pounds of jelly beans cost $ 17.

So, 5x +3y=17--------------- 2

Multiplying equation 2 by -3, we get

(5x +3y=17)\times -3\\-15x-9y=-51-------- 3

Now, adding equations 1 and 3, we get

7x+9y-15x-9y=37-51\\7x-15x=-14\\-8x=-14\\x=\frac{-14}{-8}=\$1.75

Now, plug in x=1.75 in equation 1 and solve for y.

7(1.75)+9y=37\\12.25+9y=37\\9y=37-12.25\\9y=24.75\\y=\frac{24.75}{9}\\ y=\$2.75

Therefore, the cost for each pound of trail mix is $ 1.75 and each pound of jelly beans is $ 2.75.

You might be interested in
Rewrite the following equation in standard form. y=4x+10
Virty [35]

standard from Ax +By = C

y = 4x+10

subtract 4x from each side

-4x+y = 10

or 4x - y = -10

3 0
3 years ago
Pls help me with this:(((((​
marishachu [46]

2: c

Step-by-step explanation:

3: a

by Supplementing each answer Into the equation

6 0
2 years ago
Read 2 more answers
A diver begins at 140 feet below sea level. She descends at a steady rate of 7 feet per minute for 4.5 minutes. Then, she ascend
PSYCHO15rus [73]

3576 rheuioryu terotueiopltuils;j fjidsa;l foiurw0qps buqoeupw7 0 [auuq3809pb r4

8 0
3 years ago
Malkia is thinking of a mystery number. She cuts it in half then adds 5. The result is 24. Determine the mystery number. I need
White raven [17]

Answer:38

Step-by-step explanation:if you take 24 and subtract the five she added, it gives you 19 and since she divided it by two you would multiply it by two to get the original number she was thinking of

Hope this helps :)

6 0
3 years ago
Read 2 more answers
Please help me<br>simplify<br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B32%20-%20%20%5Csqrt%7B50%7D%20%7D%20" id="TexFormul
Mnenie [13.5K]

Answer:

\sqrt{32-5\sqrt{2} }

Step-by-step explanation: I hope it helps :)

\sqrt{32-\sqrt{50} } \\\\simplify \: \sqrt{50} \:to \:5\sqrt{2}  \\\\= \sqrt{32-5\sqrt{2} } \\\\Decimal Form: 4.992888

5 0
3 years ago
Other questions:
  • How do I solve this??
    8·1 answer
  • z varies directly with x and inversely with y^2. When x = 2 and y = 5, z = 8. What is the value of z when x = 4 and y = 9?
    13·2 answers
  • 30 POINTS! x + 1 = 2 ÷ x + 1
    5·1 answer
  • Find the base of a parallelogram with height 6 5/8 and area 26 1/2 square feet
    15·1 answer
  • HELPPPPPP MEEEEEEEEEEEEEEE
    11·1 answer
  • If a block of wood measuring 5 cm x 10 cm x 3 cm has a mass of 100 g, could it be birch wood?
    13·1 answer
  • I don’t need you to explain just answer.
    13·1 answer
  • Please help im begging this has a lot of points but please do not take them without a answer please my grade really needs this a
    13·1 answer
  • HELP PLS ANSWER IT FR FR
    6·2 answers
  • Amanda’s Training Continues…..Amanda is training to run a marathon. She must follow a strict schedule to make sure she is ready
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!