Q&A - P5 Math

[Charnic]

CNS:

The Right Equation Education:

[quote=\"CNS\"]Pls help.

During a sale, Wilson spent $120 on a pair of shoes. He spent 2/5 of the remaining money on a bag and a book. After his spending, Wilson realized that he had 1/3 of his money left. If the book cost 1/2 as much as the bag, how much is the bag.
Thanks in advance

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Thanks[/quote]Sorry, can explain why the shoes is 4 units ?

[The Right Equation]

shoes are 4 units as seen from the individual ratio units formed (from Repeated-Identity Concept). Either using models or repeated-identity ratio units, shoes will always be 4 units.

[mwarrier19]

Stan has $266 more than Tom, if Tom gives $11 to Stan, Tom will have 3/11 of Stan’s money. How much do they have altogether?

[mwarrier19]

A wooden box with 17 pears in it has a mass of 3.38kg. When 7 more Pears and 81 guavas are added the mass becomes 9.5 kg. Each pear has a mass 3 times as much as each guava. Find the mass of the wooden box when it is empty in grams

[ttyh]

3 ducks cost as much as 4 chickens. Sam bought 5 ducks and 6 chickens for $76. What was the cost of 1 chicken? :?

[php]

ttyh:

3 ducks cost as much as 4 chickens. Sam bought 5 ducks and 6 chickens for $76. What was the cost of 1 chicken? :?

3D = 4C
15D = 20C

5D + 6C -> 76
15D + 18C -> 228

20C + 18C -> 228
38C -> 228
1C -> $6

[2Transformer]

Hi, I need help for the following question:



Alice, Betsy and Doris shared a sum of money. Alice had 1/3 of the total amount of what Betsy and Doris had. Betsy had 5/12 of the sum of money. Betsy had $30 more than Alice.

(a) What fraction of the sum of money did Alice have?
(Give your answer in the simplest form.)

(b) How much money did the girls have altogether?

[2Transformer]

I also need help on this.


Question:

The sum of 12 numbers is 5289. If each of the 12 numbers is increased by 6 and the new numbers are all added up, what is the new sum of the 12 numbers?

[MathIzzzFun]

2Transformer:

Hi, I need help for the following question:



Alice, Betsy and Doris shared a sum of money. Alice had 1/3 of the total amount of what Betsy and Doris had. Betsy had 5/12 of the sum of money. Betsy had $30 more than Alice.

(a) What fraction of the sum of money did Alice have?
(Give your answer in the simplest form.)

(b) How much money did the girls have altogether?

Alice 's money=1/3 Betsy and Doris = 1/4 of total sum of money
(Alice --> 1 part, Betsy and Doris --> 3 parts, total --> 4 parts)

1-1/4 - 5/12 = 4/12 = 1/3
Doris had 1/3 of the total sum of money

5/12 (Betsy's money) - 3/12 (Alice's money) = 2/12 = 1/6

1/6 of total sum of money --> $30
Total sum of money --> $180

cheers.

[MathIzzzFun]

2Transformer:

I also need help on this.


Question:

The sum of 12 numbers is 5289. If each of the 12 numbers is increased by 6 and the new numbers are all added up, what is the new sum of the 12 numbers?

Total increase --> 12 x 6 = 72
New sum = 5289 + 72 = 5361

cheers.