Answer:
x-2y = 6
x=6+2y....,.........1
Зх — бу = 18.............2
putting the value of x in ..2
3(6+2y)-6y=18
18+6y-6y=18
0=o
one fifth of the boys in the classroom have brown hair.
Answer:
1 and 3/7 hour
Step-by-step explanation:
Every hour they get 140 miles closer (100 + 40). So you divide 200 by 140 which gets you 1.42... or 1 and 3/7 of an hour.
Answer:
30 degrees
Step-by-step explanation:
Let Angle ABC be 2x, Angle EBC be 5x

Answer:

Step-by-step explanation:
Let
x-----> the number of pounds of tomatoes Camilla bought
we know that
The equation that represent this situation is equal to

Solve for x


