Answer:
9 and -6 multiply to -54 and add to 3
Step-by-step explanation:
when listing the factors of 54, we can find a pair that add to 3
1, 2, 3, 6, 9, 18, 27 and 54
9 and -6 is the pair.
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Answer:
the answer is x=-25/56
Step-by-step explanation:
2 4/5x=-1 1/4
14/5x=-5/4
x=-25/56
I believe the answer is C
Boys are b
Girls are g
b + g = 120
2g = b
Substitute the second equation into the first
2g + g = 120
3g = 120
g = 40
Plug in g = 40 and solve for b
b + g = 40
b + 40 = 120
b = 80
There are 40 girls and 80 boys.
Total number of parts:
2+3=5.
Each part is:
20 cookies/ 5 parts= 4 cookies/part.
Number of chocolate cookies is:
4 cookies/part* 2 parts= 8 cookies.
Number of sugar cookies is:
4 cookies/part* 3 parts= 12 cookies.
There are 8 chocolate cookies and 12 sugar cookies~
