The time the difference between two decimals is an integer is when the decimal value is the same for both numbers. For example, 1.20 - 0.20 = 1. 1.20 and 0.20 are decimals while 1 is an integer. 0.20 is the decimal value while 1 is the whole number.
-44.09 i dont understand why we must have 20 characters but OK
Answer:
q = 0.5
Explanation:
Given expression:

Divide both sides by 36

Simplify following

Put q = 0.5 in equation, to check:
36q = 18
36(0.5) = 18
18 = 18
Hence verified, q = 0.5