Hi all

Happened to chance here!
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Hi, pls help. Many tks and God Bless:)


Harry paid $320 for 5 shirts and 2 pairs of pants. If he bought another shirt, he would have $15 left. If he bought another pair of pants, he would be short of $5. How much did Harry have?

Ender:

SOS mum:

Hi, ps help. Many tks and God Bless:)


Yee Leng has some twenty cents and fifty cents coins.
2/3 of the total value of the twenty cents coins is the same as 1/2 of the total value of the fifty cents coins. If Yee Leng spends 4 fifty cent coins, the value of the twenty cents coins and the value of the remaining fifty cents coins will be the same. How many twenty cents coins does Yee Leng have?

The value of 2/3 twenty cent equals to half of fifty cents value, can be modelled as
Value of 20c = 3u
Value of 50c = 4u[quote]Becoz 2/3 of 3u = 2u, which is half of the value of 50c coins. Therefore value of 50c is 2u x 2 = 4u

Thank u very much. Ender

Spent 4 fifty cent is just another way of saying he spent $2.

4u - 3u = $2
1u= $2

Value of 20c = 3u = $6

Number of 20c coins = 6/0.2 = 30 ##.[/quote]

Hi, ps help. Many tks and God Bless:)


Yee Leng has some twenty cents and fifty cents coins.
2/3 of the total value of the twenty cents coins is the same as 1/2 of the total value of the fifty cents coins. If Yee Leng spends 4 fifty cent coins, the value of the twenty cents coins and the value of the remaining fifty cents coins will be the same. How many twenty cents coins does Yee Leng have?

Tks…Ninac…Appreciate greatly

Ps help. Many tks and God Bless:)


Meili had some red, blue and yellow balloons. 58 of her balloons were red and 4/11 of them were blue. She had 16 fewer yellow balloons than blue balloons. How many blue balloons did she have?

Thank you very much, Big Devil

Didnt know tt those qns were posted earlier…Appreciate greatly and God Bless:)

Sorry, 2 more. Many tks and God Bless:)


1) A farmer had some geese and ducks.
If he bought another 40 ducks, the ratio of the number of ducks to the number of geese would become 5:6.
If he bought another 60 geese instead, then the ratio of the number of ducks to the number of geese would become 2:3.
How many more geese than ducks did the farmer have?

2) Three children, Sally, Lynn and Penny have different amounts of money.
The amount of money Lynn has is the total of Sally and Penny’s amount.
The amount of money Penny has is the total of Sally’s amount and half of Lynn’s amount, Sally has $14.
(a) How much does Lynn have?
(b) How much do these three children have altogether?

Hi…ps help the following questions. Many tks and God Bless:)


1) For every 3 stamps Jiahui gave to Ryan, he would always give 1 back to her.
At first, Ryan had 10 stamps more than Jiahui.
Find the difference between the number of stamps they had in the end after Jiahui had given 12 stamps to Ryan.

2) There were 180 girls and 150 boys in the Arts Theatre and 210 girls and 560 boys in the School Hall at first. After some boys and girls moved from the School Hall to the Arts Theatre, there were an equal number of boys and girls in the Arts Theatre and thrice as many boys as girls in the School Hall.
How many boys and how many girls were moved from the School Hall to the Arts Theatre?

vvv

Q: 1687582
Subject: Science
Level: P6, PSLE
Tags: Evaporation
Source: ???
^^^

Hi, please help me in the following question:
Many thks and God Bless:)

In some open-air restaurants, water mist systems are used to cool the surrounding air. Tiny water droplets are produced in a form of mist.

(i) Explain how the water droplets help to cool the surrounding air.
(ii) Tiny water droplets are better than larger ones. Why?
(iii) Explain why some water mist systems are fitted with fans