9514 1404 393
Answer:
Step-by-step explanation:
Let g and b represent the numbers of candy canes the girl and boy have, respectively.
g -1 = b +1 . . . . . . girl gives to boy, they're equal
g +1 = 2(b -1) . . . . boy gives to girl; she has double
Adding 1 to the first equation gives an expression for g that can be substituted into the second equation.
g = b +2
(b +2) +1 = 2b -2
5 = b . . . . . . . . . . add 2-b, simplify
g = 5+2 = 7 . . . . . find g
The girl has 7 candy canes; the boy has 5.
Answer:
There are only 2 points
Step-by-step explanation:
hope this helps
The answer for the last on is 19
Formula: Distance = rate * time
570 = (R+(R-18))*3
570 = (2R - 18)*3
190 = 2R-16
208 = 2R
R = 104
Eastbound Train: 86mph
Westbound Train: 104mph
Answer:
b > -14
Step-by-step explanation:
think of this as a normal equation:
b + 7 > -2
subtract 7 from both sides
b > -7 -7
b > -14
for future reference, when dividing an inequality by a negative number the sign also flips: for example,
-2x > 12
divide both sides by -2 to isolate x:
x < -6