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
Strike441 [17]
3 years ago
8

You spend $20 total on tubes of paint and disposable brushes for an art project. Tubes of paint cost $4.00 each and paintbrushes

cost $0.50 each. You purchase twice as many brushes as tubes of paint. How many brushes and tubes of paint do you purchase?
Mathematics
1 answer:
hram777 [196]3 years ago
8 0
You are buying 2 items so let's use two different variables to represent each:
p = number of tubes of paint
b = number of disposable brushes
cost = price per item × number of items
Equations from information given:
4p + 0.50b = 20 ← from the first 2 sentences
2p = b  ← if there are twice as many brushes as paint tubes you need 2 times paint tubes to equal number of brushes
Solve the problem by using substitution... 1b equals 2p so replace b with that:
4p + 0.50(2p) = 20
4p + 1p = 20   ← 0.50 is half so half of 2p is 1p
5p = 20 ← combine like terms
p = 4   ← divide both sides of the equation by 5
Recall the equation 2p = b replace p with 4
2(4) = b 
8 = b
ANSWER:
You purchased 4 tubes of paint and 8 disposable brushes.
You might be interested in
Can Anyone tell me whats going on in this picture
Liula [17]

Answer:

someones teacher?

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
(4/3 • y 2/3) ^ -1/2 = ( y^2) ^ -1/2=
pshichka [43]

Answer:

The answer to that would be 8/9

6 0
3 years ago
WILL MARK BRAINLIEST<br> Solve for x. <br><br> 3<br> 1<br> 2<br> 140
Elina [12.6K]

Answer:

x=1

Step-by-step explanation:

141x-1=2(70)

141x=140+1

141x=141

x=141/141

x=1

5 0
3 years ago
Homework 3.4: Compound InequalitiesScore: 10.38/1811/18 answeredQuestion 6&lt;&gt;04Give the interval that describes the set of
Harrizon [31]

Give the interval that describes the set of values shown above

The interval marked in blue has the following features:

* Starts with a filled blue dot at x=2

* Ends with a filled blued dot at x=4

* Runs from x=2 to x=4 with a blue line

The filled dots indicate that the endpoints are included in the interval

The line indicates that all the values in between the interval are included in the interval

There are two basic forms to indicate an interval with included endpoints:

* A pair of values (the endpoints) comma-separated included in a pair of brackets:

Interval: [2,4]

* The closed interval indicated by inequalities signs:

2\leq x\leq4

6 0
1 year ago
What are the missing statements in steps 6 and 10 of the proof? Statement 6: Statement 10: Statement 6: || Statement 10: || Stat
leva [86]
I have the same question I need help with
5 0
3 years ago
Read 2 more answers
Other questions:
  • Determine the sine, cosine, and tangent of the angle.
    13·2 answers
  • Find the distance between (-8,-2) and (6,-1)
    10·1 answer
  • there is a ratio of 5 boys to 3 girls in the chorus. They are 24 boys in the chorus. How many girls are there?
    12·2 answers
  • There was 5/8 of pie left in the fridge. Daniel are 1/4 of the leftover pie. How much of pie did he have?
    15·1 answer
  • Carol needs for lb of nuts for her granola she has 26 oz of walnuts and 28 oz of cashews how many ounces of peanuts should she b
    10·1 answer
  • Find the values of a and b that make the second expression equivalent to the first expression. Assume that x &gt; 0 and y ≥ 0.
    6·2 answers
  • PLEASE PLEAS PLEASE HELPPPP HURYYYY
    12·1 answer
  • Explain the difference between a rate, a ratio, and a proportion?
    11·1 answer
  • Need help algebra 1 Picture include
    11·1 answer
  • Please help will give brainliest
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!