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3 years ago

a store sold 550 games in december, this made up 12.5% of its yearly game sales about how many games did the store sell all year

Mathematics

1 answer:

kicyunya [14]3 years ago

8 0

<span>550/0.125=4400. Hope this helped! :)</span>

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I need help with this, please. Any advice would be appreciated.

mote1985 [20]

Answer:

see explanation

Step-by-step explanation:

The sum to n terms of an arithmetic sequence is

$S_{n}$ = $\frac{n}{2}$ [ 2a₁ + (n - 1)d ]

where a₁ is the initial value and d the common difference

Given

$S_{n}$ = $\frac{n}{2}$ [ 10 + (n - 1)3 ]

Then by comparison

2a₁ = 10 ( divide both sides by 2 )

a₁ = 4 ← initial value

and d = 3 ← common difference

Thus

$S_{8}$ = $\frac{8}{2}$ [ 10 + (7 × 3) ]

= 4(10 + 21)

= 4 × 31

= 124

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4 years ago

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Answer: You would put the parentheses here 24 divided by 6 x 2 - (1 +4)

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