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3 years ago

9

Mrs. suzuki had 1000 eggs. she sold 250 eggs to mrs.cook and packed the remaining eggs equally into trays of 10. how many trays

did she need?

1 answer:

Galina-37 [17]3 years ago

7 0

Answer:

75

Step-by-step explanation:

1000-250=750

750 divided by 10= 75, therefore she needs 75 trays :)

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Ratio Question;

SashulF [63]

*Given

Money of Phoebe - 3 times as much as Andy

Money of Andy - 2 times as much as Polly

Total money of Phoebe, - £270

Andy and Polly

*Solution

Let

B - Phoebe's money

A - Andy's money

L - Polly's money

1. The money of the Phoebe, Andy, and Polly, when added together would total £270. Thus,

B + A + L = £270 (EQUATION 1)

2. Phoebe has three times as much money as Andy and this is expressed as

B = 3A

3. Andy has twice as much money as Polly and this is expressed as

A = 2L (EQUATION 2)

4. This means that Phoebe has ____ as much money as Polly,

B = 3A

B = 3 x (2L)

B = 6L (EQUATION 3)

This step allows us to eliminate the variables B and A in EQUATION 1 by expressing the equation in terms of Polly's money only.

5. Substituting B with 6L, and A with 2L, EQUATION 1 becomes,

6L + 2L + L = £270

9L = £270

L = £30

So, Polly has £30.

6. Substituting L into EQUATIONS 2 and 3 would give us the values for Andy's money and Phoebe's money, respectively.

A = 2L

A = 2(£30)

A = £60

Andy has £60

B = 6L

B = 6(£30)

B = £180

Phoebe has £180

Therefore, Polly's money is £30, Andy's is £60, and Phoebe's is £180.

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