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Elan Coil [88]
3 years ago
9

Simplify the expression x + 5+ 3.

Mathematics
2 answers:
JulsSmile [24]3 years ago
8 0

Answer:

x  + 8

Step-by-step explanation:

x + 5 + 3.

add the numbers

↓

x + 8  

Maru [420]3 years ago
5 0

Answer:

x+8

Step-by-step explanation:

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17. Admission prices to Cinema I to see a movie are $9.50 for an adult and $6.50 for a child. The admission charge at Cinema II
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Answer:

a. 9.5x + 6.5(x+c) < 8   when c>0

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Step-by-step explanation:

For Cinema 1:

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for child = $6.50

For Cinema 2:

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First of all, we will find out the condition when per person rates in both cinema are equal.

Assume x = no. of adults

y = no. of children

Rate per person in Cinema I = Rate per person in Cinema II

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9.5x + 6.5y = 8(x+y)

9.5x + 6.5y = 8x + 8y

9.5x-8x = 8y-6.5y

=> x = y

So rates are equal when no. of adults equals no. of children

For Cinema I to have better rates, no. of children should be atleast 1 more than the no. of adult. In this way the rate per person of Cinema I will be less than 8

Hence we form an inequality when y = x+c and c > 0

9.5x + 6.5(x+c) < 8   when c>0

Hence there must be 1 more children than the no. of adults attending Cinema I for it to be a better deal.

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