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Jobisdone [24]
3 years ago
6

Can someone please help me?

Mathematics
1 answer:
storchak [24]3 years ago
6 0
5lbs=8.25
/5    /5
1lbs=1.65


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Cary is 7 years older than Dan. In 7 years the sum of their ages will be 79. Find the age of each man now.
Vilka [71]

Answer:

Dan is 29. Cary is 36.

Step-by-step explanation:

Let Dan's age now be D.

Let Cary's age now be C.

"Cary is 7 years older than Dan."

C = D + 7

"In 7 years the sum of their ages will be 79. "

In 7 years, the ages of Dan and Cary will be D + 7 and C + 7, respectively.

D + 7 + C + 7 = 79

C + D + 14 = 79

C + D = 65

C = D + 7

The last two equations in bold above form a system of equations. Since the second equation is already solved for C, we use the substitution method.

D + 7 + D = 65

2D + 7 = 65

2D = 58

D = 29

C = D + 7

C = 29 + 7

C = 36

Answer: Dan is 29. Cary is 36.

3 0
3 years ago
Mrs. Wong has 144 tiles that she is going to place on her square kitchen floor. If the tiles are $3.79 each, how much did Mrs. W
PolarNik [594]

Answer:

Mrs. Wong spend $545.76 on tiles.

Step-by-step explanation:

Mrs. Wong has 144 tiles that she is going to place on her square kitchen floor. If the tiles are $3.79 each, how much did Mrs. Wong spend on tile?

we are given

number of ties=144

cost of one tie=3.79 dollar

we have to find

total cost of 144 ties

for this we will multiply 144 by 3.79

multiplying 144 by 3.79 gives=144*3.79

it other words

one tile cost=$3.79

and for 144 ties cost

multiplying 144 on both sides

144 tiles cost=3.79*144=$545.76

8 0
3 years ago
Read 2 more answers
Please help <br> Find the value of x
jeka57 [31]

Answer:

54

Step-by-step explanation:

The sum of given angles must be equal to 360°

3x° + 2x° + 90° = 360°

5x + 90 = 360

5x = 270 divide both sides by 5

x = 54

3 0
3 years ago
Tres amigos. se van de viaje y quieren. alquilar un coche durante un fin de semana.
djyliett [7]

Answer:

operaciones : 600×3= 1800÷5=360.

Step-by-step explanation:

y entonces cada amigo tendra que pagar 360 ya que eran 3 amigos y iban a pagar 600 cada uno pero ahora son 5 asi que deben de pagar 360

5 0
3 years ago
Each of the 13 members of a basketball team bought a team emblem. The emblems cost the team 78 dollars. How much did it cost eac
Irina-Kira [14]

Answer:

$6

Step-by-step explanation:

78/13=6

6 0
3 years ago
Read 2 more answers
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