Solving equations with two variables:
Math Riddles:
Math Riddles:
100
3k-1=7k+2
k= -0.75
100
When is 1500 plus 20 and 1600 minus 40 same thing?
Military Time
100
Mr. Smith has 4 daughters. Each of his daughters has a brother. How many children does Mr. Smith have?
He has 5 children, all of the daughters have the same 1 brother.
200
15-2x=-7x
x=-3
200
There are five hen and rooster pairs. Each pair has one baby every month. How many chickens will there be in one year?
It is impossible to know because the chicken's babies could also have babies during this time.
200
How can you add 8 8's to make 1000?
888+88+8+8+8=1000
300
2(n-3)=6w
n=-3.5
300
What single line can you add to the following statement to make it true? 5+5+5=550
Add a line to the first '+' to make it a 4. 545+5=550
300
What number do you get when you multiply all the numbers on a telephone number pad?
0
400
m-4=2m
m=-4
400
If you have two twins, three triplets and four quadruplets; how many people do you have?
9. Two twins are 2 people, three triplets are 3 people, and four quadruplets are 4 people. 2 + 3 + 4 = 9.
400
John has been hired to paint the numbers 1 through 100 on 100 apartments. How many times with he have to paint 8?
20 times. (8, 18, 28, 38, 48, 58, 68, 78, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 98).
500
15-2x=-7x
-3=x
500
If there are 4 apples and you take away 3, how many do you have?
You took 3 apples you obviously have 3.
500
What 3 positive numbers give the same result when multiplied and added together?
1, 2, and 3.
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