Best Answer

You can make every number up to 15 using only 8, 4, 2, and 1 .

If you want to expand your horizons all the way to 18, you'll need the next one

in the same series. That's 16. Once you have that, you'll be able to make every

number up to 31 .

Q: Can you make the number 18 using only 8 4 2 and 1?

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im on this problem, only got 3, wayyy to hard! sorry. i got 3times6= 18 18/6=3 6*3=18

6 + 8=14, 14+4=18, 18/2=9

(24-20) x 9 -18 =18 Two hours later!!! UGH!!! I need asprin!!! =)

2 x 32 = 18

The only number that goes into 18 and 31 is 1.

Related questions

18 = (4 × 3) + (2 × 1)

im on this problem, only got 3, wayyy to hard! sorry. i got 3times6= 18 18/6=3 6*3=18

6 + 8=14, 14+4=18, 18/2=9

(24-20) x 9 -18 =18 Two hours later!!! UGH!!! I need asprin!!! =)

2 x 32 = 18

2 x 32 = 18

2 dimes, 8 pennies, 1 dime 18 pennies

It is: 25/18 = 1 and 7/18 as a mixed number

If a number is added to itself, it is twice that number → 18 ÷ 2 = 9 → 9 + 9 = 18

18

18/10

The only number that goes into 18 and 31 is 1.