Answer:
2.5
Step-by-step explanation:
For this case, the first thing to do is define variables.
We have then:
- <em>x: number of nickels
</em>
- <em>y: number of dimes
</em>
- <em>z: number of quarters
</em>
We write now the system of equations:

Then rewriting the equations we have:


Then, substituting values we have:
Finally:

Answer:
19 nickels
14 dimes
7 quarters
We are given with the data of 490 milligrams of sodium content of burrito and 700 milligrams of sodium content of peanut butter sandwich. The total sodium consumption should be less than 4000 milligrams. We are told to represent he number of microwave burritos as x and the number of peanut butter sandwiches as y. The inequality equation thus is 490 x + 700 y ≤ 4000.
Answer: 249
Step-by-step explanation: 210+698-812+1453-1300