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nignag [31]
3 years ago
8

30 children are going on a trip. It costs £5 including lunch. Some children take their own packed lunch. They pay only £3.the 30

children pay a total of £110.
How many children are taking their own packed lunch?
(please show your working)
Mathematics
1 answer:
myrzilka [38]3 years ago
7 0
110 = 5x + 3y     (yet x + y = 30)
Therefore the only explanation would 10 kids bought lunch and 20 packed because....
10 + 20 = 30       AND     5 * 10 = 50     3 * 20 = 60       60 + 50 = 110
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Margaret [11]

Answer:

n=6 man

Step-by-step explanation:

8 0
3 years ago
There are 18 tables at a party each table can seat six people complete the equation to show which operation to use and the total
galina1969 [7]

I can't complete the equation or the sentence because they have not been provided. However, I can write you an equation to model this situation.

Answer:

18x6=108

Step-by-step explanation:

If each table seats 6 people, there are 18 tables, and we are trying to find the total number of seated persons, it can be modeled as such:

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8 0
4 years ago
Simplify 7^8 x 7^3 x 7^4 / 7^9 7^5
lozanna [386]

Answer:

7.

Step-by-step explanation:

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= 7^(15-14)

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6 0
3 years ago
Read 2 more answers
Mikasi and Julie are determining which size sports drink is the better buy per ounce: a 16-ounce bottle for $1.95 or a 36 ­ounce
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Mikas is correct because 12.2 x 16 is 195.2, which estimated is 195, and then 8.5 x 36 is 306, which is close enough to the answer. I hope I helped.:)
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3 years ago
Help Asapworth 15 pts
belka [17]
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