$2x + $1.5y = 12 packages
$2(4) + $1.5(8)
$8+$12 = 12 packages
$20 for 12 packages if you buy 4 packages of hamburger buns, and 8 packages of hot dog buns
Answer:
£175
Step-by-step explanation:
Given the exchange rate was £1 = 1.84 dollars.
We are to change 322 dollars to pounds (£).
£1 = 1.84 dollars.
x = 322 dollars
Cross multiply
1.84 * x = 322
1.84x = 322
x = 322/1.84
x = 175
Hence 322 dollars in pounds will be £175
Answer:
So Age of the person is 9.286 years who used 65 trees
Step-by-step explanation:
Given :
Trees used per year = 7 trees / year
Person Used = 65 trees in life
To Find:
Age of person=?
Solution:
We are given with the no of trees used by a person in his lifetime i.e. 65
Now we also see that most american use 7 trees/year
Now
Age of the person = Total trees used / Trees used per year
Putting in the values
we get
Age of the person = 65 / 7
= 9.286 years
So Age of the person is 9.286 years