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3 years ago

The ratio of roses to snapdragons was 4 to 5. If there were 26,000 roses on the float, how many snapdragons were there?

1 answer:

8 0

26,000 divided by four equals 6,500, and if for every four roses there were 5 then you would multiply 6,500 by 5 to get 32,500 snapdragons

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kykrilka [37]

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Step-by-step explanation:

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2 years ago

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3 years ago

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Of the 84 parents who attended a meeting at a school, 35 volunteered to supervise children during the school picnic and 11 volun

Tatiana [17]

Answer:

The number of parents who volunteered to bring refreshments is 16.

Step-by-step explanation:

The information provided is:

N = 84

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n (S ∩ R) = 11

n (R) = 1.5 × n (S' ∪ R')

Compute the value of n (S ∪ R) as follows:

$n(S\cup R)=n(S)+n(R)-n (S\cap R)\\\\n(S\cup R)=n(S)+[1.5(N-n(S\cup R)]-n (S\cap R)\\\\n(S\cup R)=n(S)+1.5N-1.5n(S\cup R)-n (S\cap R)\\\\2.5n(S\cup R)=n(S)+1.5N-n (S\cap R)\\\\2.5n(S\cup R)=35+(1.5\times84)-11\\\\2.5n(S\cup R)=150\\\\n(S\cup R)=\frac{150}{2.5}\\\\n(S\cup R)=60$

Now compute the value of n (R) as follows:

$n (R) = 1.5 \times n (S' \cup R') \\\\n (R) = 1.5 \times [N-n (S \cup R)]\\\\n (R) = 1.5 \times [84-60]\\\\n(R)=16$

Thus, the number of parents who volunteered to bring refreshments is 16.

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3 years ago