Ok let's get started with this maths problem:
25 x 15 = Placeholder
25 x 15 = 357
so take the answer you have take it and plus it by 125
357 + 125 = your answer
so..
25 x 15 = 357 - 357 + 125 = 500
Now I know your asking how does 125 fit in with the sum well
25
25
25 +
25
___
100
then
100 + 25 = 1 Adult
So you need 6 Adults and 1 Child
1 comments:
Kia Ora Nastazia
You have used a really interesting method to solve this problem. I like that you have used a combination of addition and multiplication to solve it.
Here is how I solved the problem:
1 adult = 25kg
1 child = 15kg
I need to get to approximately 500kg lifted.
I know that 25 x 4 is 100.
(I use the number 25 because that is how much weight can be carried and I use the number 4 because to see how much weight 4 adults can carry).
I also know that 15 x 4 is 60.
(I use the number 15 because that is how much weight can be carried and I use the number 4 because to see how much weight 4 children can carry).
100 + 100 + 100 + 100 = 400
(Because 100 is the same as 4 adults I know that 400 will be the same as 4 x 4 which is 16).
So 400kg is 16 adults.
Then I add on the 4 children (who can carry 60kg all together).
So now I have 16 adults and 4 children who all together can carry 460kg.
I still have 40kgs that I need to have carried. To get to this I multiplied 15 x 3 which gave me 45kg.
So three more children are needed to carry a total of 505kg.
So my answers was 16 adults and 7 children are needed to carry the squid.
I hope this helps.
Ngā mihi,
Izzy
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