Answer:
205 years
Step-by-step explanation:
E=68 years
C=E+17=68+17=85 years
D=E-16=68-16=52 years
Total=E+C+D=68+85+52=205 years
C. 4x + y = 21
4(3) + 9 = 21
12 + 9 = 21
21 = 21
If we want to write the given four numbers in another form, we can write it like this;
Now let's rewrite the given expression and get the result.
The answer is 2/3 or 0.66666...