Answer:
Tony
Step-by-step explanation:
Tony:
3 Packs = 12 dollars
1 Pencil Box = 7 dollars
Mario:
4 Binders = 24 dollars
-6.
12+7= 19
24-6=18
Tony spent more money.
Answer:
18.7 years
Step-by-step explanation:
This is a compound interest problem and the following variables have been given;
Principal = 4000; this is the amount o be invested
APR = 9%; this is the compound interest to be earned
Accumulated amount = 20,000
We are required to determine the duration in years. We apply the compound interest formula;


The next step is to introduce natural logarithms in order to determine n;

The number of years required is thus 18.7 years
Answer:
2
x
+
y
=
1
Step-by-step explanation:
Negative integer.
-761 + 317= -444
Plug the answer in:
-761 - (-444)
= -317
Reminder: when multiplying two negatives, you get a positive.