4th Grade Math
posted by Kristiana .
In the set of all whole numbers from 20 to 29,what fraction have two integers which add up to 7?
A.1/9
B.1/10
C.5/10
D.9/10

20, 21, 22, 23, 24, 25, 26, 27, 28, 29
I only see one set of digits whose sum is 7. 
IDK that's why i need help last yr. our teacher didn't teach us any of this so it is difficult.

Please read my explanation to your later problem. Then, post your answer here and I'll check it.

plz help me i don't get this at all and i've never done it b4 and i really need help

Respond to this Question
Similar Questions

Math
Suppose you have two numbers. The difference of the two numbers is 12. The product of the two numbers is 17. Multiply the larger of the two numbers by 100, add 50 times the smaller number to that, round the total to the nearest whole … 
Algerba II
Hi Do decimals such as 2.718 represent rational numbers or irrational numbers. Explain. Do repeating decimals such as 2.3333 . . . represent rational numbers or irrational numbers? 
Math 115 #20
Label each statement as true or false a. All integers are real numbers. b. All negative integers are whole numbers. c. Zero is neither positive nor negative. d. All integers are whole numbers. I think all answera are TRUE am I correct 
algebra
List all the numbers from the given set that are, a.natural numbers b.whole numbers c.integers d.rational numbers, e.irrational numbers {9,4/5,0,0.25,ã3,9.2,ã100} 
9th grade
Name the set(s) of numbers to which 1.68 belongs. a. rational numbers b. natural numbers, whole numbers, integers, rational numbers c. rational numbers, irrational numbers d. none of the above my answer a)rational numbers 
4th Grade Math
of the set of whole numbers from 0 to 9, what fraction are odd numbers? 
Math
Identify all sets to which the number 3 belongs A. Whole numbers, integers, rational numbers B. Rational numbers C. Integers, rational numbers D. Even numbers, whole numbers, integers, rational numbers I THINK IT'S A 
Math
Which statements is false? A. A decimal fraction has a multiple of 10 as a denominator. B. Every rational number can be associated with a point in the real number line. C. A terminating decimal cannot be expressed as a repeating decimal. 
Math
The set of numbers which includes all positive numbers that are not decimals and which includes zero is the set of? 
9th grade alebra
Name the set of numbers to which 10 belongs A whole numbers , integers , rational numbers B rational numbers C integers or rational D whole numbers , natural numbers , integers