The blanks should be:
<span>2 halves
</span><span>7 halves
</span><span>7 friends
This is because 3 and 1/2 is the same as the improper fraction of 7/2. </span>
Answer:
(2, 3).
Step-by-step explanation:
3x+2y=12
6x+3y=21 Multiply the first equation by 3 and the second by 2:
9x + 6y = 36
12x + 6y = 42 Subtract:
-3x = -6
x = -6/-3 = 2.
Plug x = 2 into the first equation:
3(2) + 2y = 12
2y = 12 - 3(2)
2y = 6
y = 3.