Answer:
Small candies 
Extra large candies 
Step-by-step explanation:
Let small candies 
Extra large candies 
the number of candies is at least 
.
Cost of 
small candy 
Cost of extra large candy 
but she has only 
to spend
Solve for
Since number of candies should be integer.
let 
total spend 
which is more than , so this combination is not possible.
She has 
more so she can buy more small candy.
Hence small candy
extra large candy
1800 divided by 25 is 72. He types 72 words per minute.
Answer:
7
Step-by-step explanation:
number of diagonals in a regular polygon = number of sides - 2.
A nonagon is a polygon having 9 sides.
Total number of diagonals in a regular nonagon
= 9 - 2
= 7
Answer:
the answer is D
Step-by-step explanation:
Answer:
(x, y) = (2, -1.5)
Step-by-step explanation:
x + 2y = -1
5x - 4y = 16
<=>
(2)x + (2)2y = (2)(-1)
5x - 4y = 16
<=>
2x + 4y = -2
5x - 4y = 16
<=>
7x = 14
<=>
x = 2
(*)x + 2y = -1
=> 2 + 2y = -1
=> 2y = -3
=> y = -1.5
=> (x, y) = (2, -1.5)
