Step-by-step explanation:
2x + 6=2(x+3)
2x+6=2x+6
4x=0
x=0/4
No answer/no solution
Answer:
The answer is below
Step-by-step explanation:
Let us assume that the age of Greg's brother (Gabe) is x years, and let Greg's age by y years. Since Greg is 10 years older than his brother gabe, then:
y = x + 10 (1)
Also. Greg is 3 times as old as Gabe, hence:
y = 3x (2)
From equation 1 and equation 2:
y = x + 10 = 3x
Hence:
3x = x + 10
Subtracting x from both sides gives:
3x - x = x + 10 - x
2x = 10
Dividing by 2:
2x/2 = 10/2
x = 5 years
y = x + 10 = 5 + 10 = 15 years
Therefore Gabe is 5 years old and Greg is 15 years old
Hello there.
<span>What is 3 7/10- 2 3/5=
Answer </span><span>1 1/10</span>
Do you want us to do all seven? I don't think so.
17. s for Sonia, m for Sam, n for Nigel
s = 13.2 + 1.4 m
n = -10 + 2.5 m
n = 12 + s
First and third,
n = 12 + (13.2 + 1.4 m)
Second and that one,
-10 + 2.5m = 25.2 + 1.4m
1.1m = 35.2
m = 35.2/1.1
m = 32
Answer: 32 kg
18.
f - # of $500 tickets, t - $300 tickets, w - $200 tickets
t = 2f
w = -60 + t
500f + 300t + 200w = 48000
f = t/2
500(t/2) + 300t + 200(-60 + t) = 48000
750t = 60000
t = 80
w = -60 + t = 20
Answer: 20
19.
c + b = 171
c/9 = b/9 -5
c = b - 45
Adding,
2c + b = b + 126
c = 63
Answer: 63
Three's my limit.
Answer:
Amount spent on each item is;
brush = $3.50
sketchbook = $14.00
paint set = $21.00
Completed question:
Madison brought $42.50 to the art supply store. She bought a brush, a sketchbook, and a paint set. The brush was 1/4 as much as the sketchbook, and the sketchbook cost 2/3 the cost of the paint set. Madison had $4.00 left over after buying these items. How much is each item.
Step-by-step explanation:
Let x,y and z represent the price of brush, sketchbook and paint set respectively.
The brush was 1/4 as much as the sketchbook,
x = 1/4 × y
y = 4x ....1
the sketchbook cost 2/3 the cost of the paint set
y = 2/3 × z
3y = 2z
z = 3y/2
Substituting equation 1
z = 3(4x)/2 =6x
z = 6x ....2
Total amount spent = amount he brought - amount he left with(remainder)
= $42.50 - $4.00
= $38.50
Total amount spent = x+y+z = $38.50
x+y+z = 38.50
Substituting equation 1 and 2
x + 4x + 6x = 38.50
11x = 38.50
x = 38.50/11
x = 3.5
y = 4x = 4(3.5) = 14
z = 6x = 6(3.5) = 21
Amount spent on each item is;
brush = $3.50
sketchbook = $14.00
paint set = $21.00
