Answer:
number 3
Step-by-step explanation:
Set up 2 different equations for each day and then solve using substitution or elimination
X + (x+1) = 2x+1
Here, 2x+1 is always odd
For example the value of x is 2 then we can say that,
x=2; x+1=3; 2x+1 = 5 <u>[odd number(5)]</u>
= 2 + 3 = 5
<em>Please note that the bolded words are only for your better understanding</em>
HOPE IT HELPS!
Answer:
47
Step-by-step explanation:
x-5=42
x=42+5
x=47