Name: Oliver
Who is asking: Parent
Level of the question: Elementary
Question: I am a father of a 10 years old boy and sending this question from Bangkok, Thailand. I need solutions for the following:
1
Joseph and Peter spent $45 altogether.
Joseph and Harold spent $65 altogether.
If Harold spent 3 times as much as Peter, how much did Joseph spent?
I know the answer is $35 but do not know how to get to it.
2
Ron bought 3 notebooks and a newspaper.
He paid $30 to the cashier and received $5 change.
If the newspaper cost twice as much as each notebook, find the cost of the newspaper.
I know the answer is $10 but do not know how to get to it.
3
Paul has twice as many stickers as Andy.
Andy has 40 more stickers than Lily.
They have 300 stickers altogether.
How many stickers does Paul have?
I have no idea how to get it.
4
The total weight of Peter, Dan and Harry is 123 kg.
Peter is 15 kg heavier than Dan.
Dan is 3 kg lighter than Harry.
Find Harry's weight?
I have no idea how to get it.
I thank you very much for your kind help
Regards
Oliver
