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poizon [28]
3 years ago
13

Question 13 pls. Brainliest for the first answer

Mathematics
1 answer:
tankabanditka [31]3 years ago
7 0

Answer: a child ticket costs $14.50

Step-by-step explanation:

x=children ticket

x+4.50=adult ticket

3 children and 2 adult

3x+2(x+4.50)=81.50

3x+2x+9.00=81.50

5x+9.00=81.50

5x+9.00-9.00=81.50-9.00

5x=72.50

5x/5=72.50/5

x=14.50

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4a−2(3a+8)=6 what is the answer
Tcecarenko [31]

Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{a =  - 11}}}}}

Step-by-step explanation:

\sf{4a - 2(3a + 8) = 6}

Distribute 2 through the parentheses

\longrightarrow{ \sf{4a - 6a - 16 = 6}}

Collect like terms

\longrightarrow{ \sf{ - 2a - 16 = 6}}

Move 16 to right hand side and change it's sign

\longrightarrow{ \sf{ - 2a = 6 + 16}}

Add the numbers: 6 and 16

\longrightarrow{ \sf{ - 2a = 22}}

Divide both sides by 2

\longrightarrow{ \sf{ \frac{ - 2a}{ - 2}  =  \frac{22}{ - 2}}}

Calculate

\longrightarrow{ \sf{a =  - 11}}

Hope I helped !

Best regards! :D

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4 years ago
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natima [27]

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What is the product of 1/4 and 2/3 as a fraction
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