7 7/8 - 3 1/4
7 7/8 = 6.125
3 1/4 = 0.75
so 6.125 - 0.75
= 5.375
as a mixed fraction the answer is 5 3/8
Answer:
6
Step-by-step explanation:
Answer:
5:1
Step-by-step explanation:
Divide both numbers by a common factor to reduce it. The common factor is 3.
15/3 = 5
3/3 = 1
The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try!
Hope this helps