Please help me with this question.

Please help me to answer this question. Thanks

Question:
If Ted spent $10, the ratio of Ted’s money to Ben’s money would be 1: 3. If Ben spent $80. the ratio of Ted’s money to Ben’s money would be 1 :2. How much money did Ted have at first?

I 've got all three answers wrong ! am not sure what is the correct answer, please help. http://i41.tinypic.com/s2dtmf.jpg\">

Please help to correct the answers. Thanks


Ann should go on a diet. Ann will look good in that dress.
Unless Ann goes on a diet, she will not look good in that dress.

Carl was courteous to the guests. His brother was courteous to the guests too.
Neither Carl nor his brother was discourteous to the guests.

“You have to return your library book tomorrow,” Mrs Wong told me.
Mrs Wong told me that I had to return my library book the following day.

The doctor treated the injured worker in his clinic. The worker had fallen off a ladder.
The doctor, in his clinic, treated the injured worker who had fallen off a ladder.

Is “spoilt for choice” or spoiled for choice” ?

sorry I don’t know how to post the pic, trying again

Hello, below is a question on condensation and properties of air.

I'm not sure whether my answers are correct. :roll:
question (a) has more marks weightage (2 marks) than question (b) (1 mark.
I need to know whether my answers are correct, insufficient info or need further elaboration.
Sometimes what the tutor/tutition centre teach the kid is not appropriate, cause of certain key words missing ? Please help. thanks :boogie:
http://i49.tinypic.com/108is6v.jpg\">
My answers
(a)\tWhen the cold water touches its surface, the air in the flask is being pushed into the delivery tube causing the water level to move downwards.
(b)\t When the air in the flask is cooled down, it contracts and this compressed air causes the air in the delivery tube it moves into the flask, so the water level moves upwards.
:gloomy:

@Suz855 and @shawnlim88

:thankyou:

thanks to both of you for the alternative answers,

cause during exam, kid can guess and check, but it is time consuming and likely to make careless mistakes, if not properly tabulated. :xedfingers:

Hello, can someone help me to solve.

This can be done using guess and check, but is there any other method, like algebraic expression? thanks ! :imcool:

Mr Lim wants to buy some boxes of chocolates which are sold in boxes of 10 and 24. Each box of 10 pieces is sold for $5.35 and each box of 24 pieces is sold for $12.50.
Mr Lim and his class of 37 pupils will be given 2 pieces of chocolates each.

a) How many boxes of each type of chocolates should Mr Lim buy so that the number of pieces of chocolates left over is the least?

Ans: (a) ____ box(es) of 10 and ____ box(es) of 24

b) How much will Mr Lim pay for the chocolates? :stupid:

Can someone please help to solve the question posted by @zombie ?