SOLVE THR SIMULTANEOUS EQUATIONS 3X+Y=8X-3Y=11ANSWER PLEASE
1 answer:
You might be interested in
Answer:
Sandwich sells for $4.76 .
Step-by-step explanation:
As given
It costs $2.80 to make a sandwich at the local deli shop.
To make a profit, the deli sells it at a price that is 170% of the cost.
170% is written in the decimal form
= 1.7
Thus
Sandwich selling cost = 1.7 × Cost of making
Put all the values in the above
Sandwich selling cost = 1.7 × $ 2.80
= $4.76
Therefore the Sandwich sells for $4.76 .
Step-by-step explanation:
Here, we'll need to multiply these two values together. I'll use the expansion formula, which goes as follows:
- Expand
Lets apply this to the following equation:
- Expand.
- Simplify.
- Remove parenthesis and add.
Answer:
x^2+10x+21