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# Fifth grade math problem - Decoding?

I have no idea how to do these three problems from my daughter's homework.

Starvision means A ⋆ B ≔≔ C

28 ⋆ 3 ≔≔ 1

69 ⋆ 5 ≔≔ 4

74 ⋆ 8 ≔≔ 2

1) A ⋆ 6 ≔≔ 5 A = ?

2) 87 ⋆ B ≔≔ 6 B = ?

3)117 ⋆ 9 ≔≔ C C = ?

Any ideas?

ironduke8's answer looks right. Thank you!

By the way, "A" is not unique.

### 6 Answers

- ironduke8159Lv 71 decade agoFavorite Answer
I have never seen anything like this but I see the pattern.

It appears that when the 1st number is divided by the 2nd number, the remainder is the 3rd number.

Thus 28/3= 9 with a remainder of 1

So the answers to the three problems are:

1) A/6 gives a remainder of 5 , so A=11

2) 87/B gives a remainder of 6, so B = 9

3) 117/9 gives a remainder of 0, so C = 0.

Hope this helps.

- anonimousLv 61 decade ago
I am going to guess that the second template really was

49 ⋆ 5 ≔≔ 4

If that is correct then a single box means subtract 9 times the number to the right of the box from the number to the left of the box. It also means that two boxes means "equals"

1) 6*9+5=59

A = 59

2) (87-6)/9=9

B=9

3) 117-(9*9)=36

C=36

- Anonymous4 years ago
Isn't there an age limit on this thing? Anyways... 3 x 500 divided by 2.

- 1 decade ago
What the devil is that? That's--- That's not fifth grade math homework! I'm in University and have never heard of that! (nodding) Someone's playing an April Fool's Day joke on you.... :S

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- Nitin T F1 fanLv 51 decade ago
Are you sure this is 5th grade maths or 50th grade?

Im in 10th grade and i have no idea what this is.

- Anonymous1 decade ago
it's harder than my grade 12 geometry course =P

i have no idea!