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inessss [21]
3 years ago
11

Huilan is 5 years older than Thomas. The sum of their ages is 103. What is thomas's age

Mathematics
2 answers:
max2010maxim [7]3 years ago
8 0

Answer:

49 years old

Step-by-step explanation:

x + x + 5 = 103

2x + 5 = 103

2x = 98

x = 49

djyliett [7]3 years ago
4 0

Answer:

Step-by-step explanation:

Thomas is 49 huilan is 54

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5 0
3 years ago
Read 2 more answers
How to put the answer in a mixed number? (35^3/8)
motikmotik
Write the decimal number as a fraction
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5 0
4 years ago
What is wrong with this problem. 2(n +3) = 2n +3
LekaFEV [45]

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7 0
3 years ago
Tickets to a school play are $4.50 for an adult and $3.00 for a student. If 300 tickets are sold and $1087.50 collected, how man
Kryger [21]

Answer:

<h2>125 tickets for an adult</h2><h2>and 175 tickets for a student</h2>

Step-by-step explanation:

a-\text{number of the tickets for an adult}\\s-\text{number of the tickets for a student}\\\\(1)\qquad a+s=300\\(2)\qquad4.5a+3s=1087.5\\------------\\(1)\\a+s=300\qquad\text{subtstitute}\ s\ \text{from both sides}\\a=300-s\\\\\text{Put it to (2):}\\\\4.5(300-s)+3s=1087.5\qquad\text{use distributive property}\\\\(4.5)(300)+(4.5)(-s)+3s=1087.5\\\\1350-4.5s+3s=1087.5\qquad\text{subtract 1350 from both sides}\\\\-1.5s=-262.5\qquad\text{divide both sides by (-1.5)}\\\\\boxed{s=175}

\text{Put the value of}\ s\ \text{to (1):}\\\\a=300-175\\\\\boxed{a=125}

3 0
3 years ago
If x-12y=-210and x-6y=90 then x =
Whitepunk [10]

Answer:

90

Step-by-step explanation:

x

−

12

y

=

−

210

=

=

−

210

x

−

6

y

=

90

=

=

90

x

=

=

90

6 0
3 years ago
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