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elena-14-01-66 [18.8K]
2 years ago
11

Kiyo bought a pizza for $12.75 and four medium drinks at Pauli´s pizza. Define a variable and write an expression to represent t

he total amount of money he spent. Then find the total cost if one drink costs $3.
Mathematics
1 answer:
Vlada [557]2 years ago
3 0
12.75+4x

Answer: 24.75
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Two high schools are going on a field trip. One rents 8 vans and 9 buses for 228 students. The other rents 4 vans and 5 buses fo
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Answer:

No. pp you can fit in a van: 6,

No. pp you can fit in a bus: 20

Step-by-step explanation:

Let v = # of pp in vans, and let b = # of pp in buses:

8v + 9b = 228,

4v + 5b = 124

If we solve this system of equations by substitution, we isolate the first eq. for v and then substitute into the bottom eq:

v = 228-9b/8,

Substitute v = 228-9b/8 into bottom eq:

[4 * 228-9b/8 + 5b = 125]

[228+b/2=124]

[228+b = 248]

[b = 20]

Now substitute 20 to find no. of pp in the vans:

v = 228 - 9(20)/8 = 228  - 180/8 = 48/8 = 6

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Step-by-step explanation:

1 litre = 1000ml

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lost amount = 1000 - 780 = 220ml

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given the arithmetic sequence 3, 7, 11, 15, ..., what is a1, the first term? What is d, the common difference? Find the 151st te
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Heya !

Check the attachment.
Hope it helps you ;)

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