Answer:
Ez
Step-by-step explanation:
Change each number to an improper fraction.
Simplify if possible.
Multiply the numerators and then the denominators.
Put answer in lowest terms.
Check to be sure the answer makes sense.
X+x+2+x+x,+2=72
4x+4=72
4x=68
x=17. rectangle is 17 by 19
10% of 60 is 6.
60 - 6 = $54 at a discount of 10%.
This price is discounted by 40%.
40% of 54 is $21.60.
The final price is $21.60 It's not equal to a 50% discount because half of 60 is 30, making the final price $30.
Hope this helps!
Answer:
9
Step-by-step explanation:
The answer to your question would be true.
Similarly to fact that a two-order uses two equations, and a three-order system uses three, so a four-order uses four. Basically, just remember that the number of equations matches the number of the order.