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:
This is nonlinear.
Step-by-step explanation:
The answer is definitely 31
Answer:
Quinzel sold 17 pairs of shoes last month.
Step-by-step explanation:
Let be "Q" the number of pairs of shoes Quinzel sold last month and "J" the number of pairs of shoes Joseph sold last month.
Set up a system of equations:

Solve for "J" from the first equation:

Applying the Substitution Method, you get:

I am going to assume ‘centimetre’ was a typo.
A^2 + B^2 = C^2
C^2 - A^2 = B^2
32 = B^2
Square root both sides
B = 5.7m high
The ladder will reach 5.7 meters high