Answer:
Yes
Step-by-step explanation:
You can conclude there are 18 horses because although some of the mares might be brown horses, the conjunction "and" implies the mares are in addition to the brown horses.
Answer:
There are two groups;
green and blue+white
Step-by-step explanation:
green=3
blue=3
white=1
total=green/blue*green/blue+white
=3/3*3/4
Answer:
X=2
Step-by-step explanation:
3x²+2x-7=2x+5
-2x -2x
3x²-7= 5
+7 +7
3x² = 12
3 3
= 
X=2
I’m not sure about this question
Answer:
Step-by-step explanation:
d=days not used
50-2d = 40-1.5d
subract 40 each side
10-2d =1.5d
10= 0.5d
20=d
After 20 days the value of the gift cards will be equal.
20*2=40 50-40=10 ($10)
20*1.5=30 40-30=10 ($10)
each card will have a value of $10 after 20 days,when both cards have equal value