4: whose double is 8 and quarter is 1. If the missing number is x, then: 2x = x/4 + 7 Multiply throughout by 4: 8x = x + 28 Subtract x from both sides: 7x = 28 Divide throughout by 7: x = 4
The units digit of a two digit number exceeds twice the tens digit by 1. Find the number if the sum of its digits is 10.
18 and 38
18 and 38
Find a four digit number whose digits will be reversed when multiplied by nine?
4: whose double is 8 and quarter is 1. If the missing number is x, then: 2x = x/4 + 7 Multiply throughout by 4: 8x = x + 28 Subtract x from both sides: 7x = 28 Divide throughout by 7: x = 4
30
You can 'factor' a number to find the numbers whose products make that number.
3 and 84.
The units digit of a two digit number exceeds twice the tens digit by 1. Find the number if the sum of its digits is 10.
One can find more information about the site 'Whose Phone Number is This?' online. Depending on which country one's number is from, there are websites where people are able to post phone numbers and who it is from. In the U.S, the website is the same name, Whose Number is This.
18 and 38
18 and 38
double it
3 and 6
Find a four digit number whose digits will be reversed when multiplied by nine?
10