Answer:
see below
Step-by-step explanation:
6 1/2 = 6 + 1/2 *3/3 = 6 + 3/6
4 5/6
6 3/6
-4 5/6
-----------------
We need to borrow from the 6
6 3/6 = 5 + 6/6 + 3/6 = 5 9/6
5 9/6
-4 5/6
--------------------
1 4/6
We can simplify 4/6 to 2/3
Solution: 1 2/3
The grandson is 9 years old.
This would mean that the grandpa is 54.
9x6=54
54/6=9
Answer:
Solution (-2, 7)
Step-by-step explanation:
2x + 3y = 17 (1)
5x + 6y = 32 (2)
Using elimination method
Multiply (-2) to the equation (1)
-4x - 6y = -34
Now you have 2 new equations
-4x - 6y = -34
5x + 6y = 32
----------------------------Add
x = -2
Substitute x = -2 into 2x + 3y = 17
2(-2) + 3y = 17
- 4 + 3y = 17
3y = 21
y = 7
Solution (-2, 7)
The percentage discount will be 9%.
<h3>How to calculate the value?</h3>
From the information given, the item he wants to buy is priced at $13, before discount and tax and after the discount, and before tax, the price is $11.83.
The percentage discount will be:
= (13 - 11.83)/13 × 100
= 1.17/13 × 100
= 9%
Therefore, the percentage discount will be 9%.
Learn more about percentages on:
brainly.com/question/24304697
#SPJ1
Whats the question that you need help with?
