Answer:
x = 40
Step-by-step explanation:
collect the terms (3-2)x = 40
subtract the numbers 1x = 40
divide from both side 1x/1 = 40/1
solution x = 40
Answer:
3x+4y=7.25
Step-by-step explanation:
according to the 1st equation, the number of pickle is 'x', and number of bag is 'y'.
Then the 2d equation is 3x+4y=7.25
If 9kg costs 12$, then a single kg costs around 1.3$
This is done with a simple proportion
9 : 12 = 1 : X
x = 12/9
x = 1.33
Just multiply 7 by the number of seats, which m guessing is 7, but im like 95 % sure that will work :)
The answer to this is y=11x