1/2 + 1/5 = 7/10
So, you really have
7/10 x = 8
x = 8 * 10/7 = 80/7
check: 40/7 + 16/7 = 56/7 = 8
If 1/2 of a number is added to 1/5 of the same number, the results is 8. Find the number
2 answers
One-forth of a nber added to one-fith of the same number is less than or equal to 18. Find the range of values of the number