Q&A - PSLE Math

[thinkgmama]

Hi Tianzhu,


Thanks! The ans should be 210 blue pens right?

[tianzhu]

thinkgmama:

Hi Tianzhu,


Thanks! The ans should be 210 blue pens right?

Hi

Yes, 210 blue pens.

Best wishes

[Michaelia0816]

Oh I forgot to add 3u to 5, thanks both of u for making me realizing what the problem!!!

[Michaelia0816]

Again a question not sure!!

Question :
For every dollar Mandy saves, her mother gives her $0.50. She saves $0.75 each day. How many days will she need to have a total of $27!

I think the answer is 36, pls gave me a step by step answer!

[Michaelia0816]

I solve it by uses and check but still need to add fifty cent, it $27.50. What the problem???!!!

[small]

Michaelia0816:

Again a question not sure!!

Question :
For every dollar Mandy saves, her mother gives her $0.50. She saves $0.75 each day. How many days will she need to have a total of $27!

I think the answer is 36, pls gave me a step by step answer!

HTH...

1 day ----- $0.75
4 days ----- $3

For every 4 days, she saved $4.5 ($3 + $1.5 from her mother)

27 / 4.5 = 6 groups ( of 4 days )

6 x 4 = 24 days

She will need 24 days to save a total of $27.

[MathIzzzFun]

Michaelia0816:

Again a question not sure!!

Question :
For every dollar Mandy saves, her mother gives her $0.50. She saves $0.75 each day. How many days will she need to have a total of $27!

I think the answer is 36, pls gave me a step by step answer!

Hi

alternate approach using ratio...

Mandy's savings : mother's contribution : total savings
= 2u : 1u : 3u
3u --> $ 27
Amount saved by Mandy = 2/3 x $ 27 = $ 18
$ 18 / $0.75 = 24 --> Mandy will take 24 days to save a total of $27

cheers.

[small]

MathIzzzFun:

Michaelia0816:

Again a question not sure!!

Question :
For every dollar Mandy saves, her mother gives her $0.50. She saves $0.75 each day. How many days will she need to have a total of $27!

I think the answer is 36, pls gave me a step by step answer!

Hi

alternate approach using ratio...

Mandy's savings : mother's contribution : total savings
= 2u : 1u : 3u
3u --> $ 27
Amount saved by Mandy = 2/3 x $ 27 = $ 18
$ 18 / $0.75 = 24 --> Mandy will take 24 days to save a total of $27

cheers.

Hi MathIzzzFun,

Thanks for the sharing, cheers... :salute:

[MathIzzzFun]

small:

MathIzzzFun:

[quote=\"Michaelia0816\"]Again a question not sure!!

Question :
For every dollar Mandy saves, her mother gives her $0.50. She saves $0.75 each day. How many days will she need to have a total of $27!

I think the answer is 36, pls gave me a step by step answer!

Hi

alternate approach using ratio...

Mandy's savings : mother's contribution : total savings
= 2u : 1u : 3u
3u --> $ 27
Amount saved by Mandy = 2/3 x $ 27 = $ 18
$ 18 / $0.75 = 24 --> Mandy will take 24 days to save a total of $27

cheers.

Hi MathIzzzFun,

Thanks for the sharing, cheers... :salute:[/quote]u r welcome

have a great day !

cheers.

[peggy]

Please help with this.


Denise had 288 beads more that Annie. After Denise lost 1/6 of her beads and Annie lost 75% of her beads, Denise had 303 more beads that Annie. How many beads did Denise have at first ?

thanks.