0
Janice is thinking of two numbers She says that two times the first number plus the second number is 47 In addition the first number plus three times the second number is 81 Find the numbers.?
Windsorcats4ever
2a + b = 47; a + 3b = 81 ie a = 81 - 3b so - 162 - 6b + b = 47 ie 5b = 115 so b = 23 and a = 12
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
How do you work out missing number addition if the bottom number is smaller than the top number?
you find out missing numbers in addition by subtracting the numbers that are writen
Are real numbers closed under addition and subtraction?
Real numbers are closed under addition and subtraction. To get a number outside the real number system you would have to use square root.
What are the numbers in division mutliplication addition subtraction?
You can have counting number in multiplication and addition. All integers are in multiplication, addition and subtraction. All rational numbers are in all four. Real numbers, complex numbers and other larger sets are consistent with the four operations.
Why do two odd numbers become an even number after addition?
because it can, if you add odd numbers the always don't have to be an odd number
What is closure property addition of real numbers?
Real Numbers are said to be closed under addition because when you add two Real Numbers together the result will always be a Real Number.
How do you work out missing number addition if the bottom number is smaller than the top number?
you find out missing numbers in addition by subtracting the numbers that are writen
Are real numbers closed under addition?
yes because real numbers are any number ever made and they can be closed under addition
Are real numbers closed under addition and subtraction?
Real numbers are closed under addition and subtraction. To get a number outside the real number system you would have to use square root.
Babs is thinking of two numbers one number is 7 more than the other number the product of the numbers os 60 what are the numbers?
The numbers are 5 and 12
I am thinking of two numbers, 12 and another number. The greatest or highest common factor for 12 and the number I am thinking of is six, the least common multiple of them is 36. What is the other number I am thinking of?
Answer=18
What are the numbers in division mutliplication addition subtraction?
You can have counting number in multiplication and addition. All integers are in multiplication, addition and subtraction. All rational numbers are in all four. Real numbers, complex numbers and other larger sets are consistent with the four operations.
Why do two odd numbers become an even number after addition?
because it can, if you add odd numbers the always don't have to be an odd number
Is a rational number closed under addition?
No. A number cannot be closed under addition: only a set can be closed. The set of rational numbers is closed under addition.
What is closure property addition of real numbers?
Real Numbers are said to be closed under addition because when you add two Real Numbers together the result will always be a Real Number.
Are even numbers closed for addition?
Yes, the sum of any two even numbers is an even number. This means they are closed under addition. Closure Property: For every even number a, for every even number b, a + b is an even number.
Why are natural numbers not under addition?
Natural numbers are actually closed under addition. If you add any two if them, the result will always be another natural number.
Why do you get a whole number when you add two whole numbers?
This follows from the way in which addition of whole numbers is defined.
