The best thing to do is to find 10%, and you can do this by dividing $270 by 10, and therefore, $27 is equal to 10%.
To find 40%, you've got to multiply $27 by 4, and this gives you $108.
Therefore, gabriel saved $108 last month :)
Answer:
x = 
Step-by-step explanation:
Given
= 
( cross- multiply )
25 × 2x = 5 × 4
50x = 20 ( divide both sides by 50 )
x = 
=
Answer:
The answer is A
Step-by-step explanation:
Answer:
(-7)
Step-by-step explanation:
just plug in the number in the x place to solve
Answer:
system 4.
Step-by-step explanation:
3x+6y=9
multiply by 2
6x+12y=18 ....(1)
-2x+-4y=4
multiply by 3
-6x-12y=12 ...(2)
add (1) and (2)
0+0=30
which is impossible .It has no solutions.
