To find a number between both decimals, what you can do is take the average of both numbers.
We have then:

Rewriting we have:

Therefore, the decimal obtained is a number between 0.4 and 0.5
Answer:
a decimal between 0.4 and 0.5 is:

Answer:
1/3 y
Step-by-step explanation:
Answer:
(3,4)
Step-by-step explanation:
x+y=7, where y=4, so therefore make x the subject and substitute y=4
x=7-y
x=7-4
x=3
therefore x=3, y=4.
Answer:
It should be -8
Step-by-step explanation: