Thanks FrekiWang, it’s a sec 1 qn.

Hi, I need help with the following Qn…


A motorist travelled the first part of his journey at an average speed of 56 km/h. He the increases his speed to 64 km/h for the rest of his journey. If he travels 130 km in 2 hours and 15 minutes, find the distance he travelled for the first part of the journey.

Thanks.

please help me solve this question taken from school worksheet


How many different ways can Joyce match her clothes if she has 3 skirts, 2 blouses and 3 pairs of shoes? (ans: eighteen)

Thank you.

Thank you very much to VC’s mum, DD2, Dharma and Tianzhu for your very quick response. Thank you again.

Hi, I need help with this question. No answer given.


A group of people went hunting. On average, 6 people hunted 5 rabbits, 15 people hunted 2 deer and 10 people hunted 1 buffalo. The total number of animals hunted was 6 more than the total number of people who went hunting. How many people went hunting?

Thank you.

Brenda10:

liketoeat:

[quote=\"Brenda10\"]
Hi, I have come across the similar question.
However now I try to solve this question by following the previous sample I couldn’t get the answer same as you provided. I can only get (a) $17, (b) $113

That’s mean that I kept the wrong sample!! :!: Sorry not able to help and I also need to seek help from the rest.

I've got this solution but didn't quite understand, could someone please explain to me... thank you.

$4 + $6 = $10
$100 + $10 x 7 = $170

$170 / (3 + 7) = $17 (a)

$100 + $17 - $4 = $113 (b)

Hi Liketoboat

Paiseh. I am not good in explination :oops: but the following is my working step:

$4 + $6 = $10

1 Bag [ ]$10]
1 Belt [ ]

7 belts = 7 [ ]
3 bags = 3 [ ] + $30

10 [ ] = $100 - $30 = $70
1 [ ] = $7

$7 + $10 = $17
Each bag cost $17

Original amount : $100 + $7 + $6 = $113

Sorry unable to draw the model. This [ ] represent a rectangle model box[/quote]Thank you, Brenda10. Now, i understand.

tianzhu:

liketoeat:

I've got this solution but didn't quite understand, could someone please explain to me...

Hi liketoeat
Hope this helps.

http://farm5.static.flickr.com/4141/4859699962_86def22625_b.jpg\">

Best wishes

wow, it's much better with diagram , you must have spent quite an awful lot of time doing it. I appreciate your hardwork very much . Thank you.

Brenda10:

liketoeat:

1) Jane has some money. After spending $100 on 3 bags and 7 belts, she is short of $4 if she wants to buy another bag. However, if she buys 1 more belt, she will have $6 left.

a) How much does one bag cost? (Ans: $13)
b) How much does Jane have? (Ans: $109)

Hi, I have come across the similar question. However now I try to solve this question by following the previous sample I couldn’t get the answer same as you provided. I can only get (a) $17, (b) $113

That’s mean that I kept the wrong sample!! :!: Sorry not able to help and I also need to seek help from the rest.

I've got this solution but didn't quite understand, could someone please explain to me... thank you.

$4 + $6 = $10
$100 + $10 x 7 = $170

$170 / (3 + 7) = $17 (a)

$100 + $17 - $4 = $113 (b)

tianzhu:

liketoeat:

2) Car A left Town X for Town Y at the same time when Car B left Town Y for Town X. The average speed of Car A was 56 km/h and the average speed for Car B was 72 km/h. The two cars passed each other at a point 24 km from the midway of the two towns. What is the distance between Town X and Town Y? (Ans: 384km)

Hi

One way to solve this question is to use the concept that distance varies in direct proportion to speed. The faster the speed, the more distance is covered.

Car A ----- Speed ---- 56(7) ------- Distance -------7u
Car B ------ Speed ----- 72(9) -------Distance -------9u

The midpoint is at 8u (16/2)
1u ------24 km
16u ------384 km

Best wishes

Thank you, Tianzhu.

Hi, I need help with the following questions…


1) Jane has some money. After spending $100 on 3 bags and 7 belts, she is short of $4 if she wants to buy another bag. However, if she buys 1 more belt, she will have $6 left.
a) How much does one bag cost? (Ans: $13)
b) How much does Jane have? (Ans: $109)

2) Car A left Town X for Town Y at the same time when Car B left Town Y for Town X. The average speed of Car A was 56 km/h and the average speed for Car B was 72 km/h. The two cars passed each other at a point 24 km from the midway of the two towns. What is the distance between Town X and Town Y? (Ans: 384km)

Thank you.