Answer:
Andy is 4 years old.
Step-by-step explanation:
Given:
Ruth age = 10
We need to find Andy age.
Let the age of Andy be x.
Also given Andy is two-fifths of Ruth's age.
Expressing the above statement in expression form we get

Hence Andy is 4 years old.
-3.25 is the correct answer
Answer:
1.1.2
=1
Step-by-step explanation:
x(7× +2)=1
7X2=14
14÷7
=1
Answer:
The midpoint is 
Step-by-step explanation:
we know that
The formula of the midpoint between two points is equal to

In this problem we have

substitute in the formula


Answer:
see below
Step-by-step explanation:
65 - 32 = 13
13 divide by 65 = 0.20
0.20 x 100% = 20%
so the percentage drop is 20%
therefore, Marcus is correct.