Answer: all the above
Explanation: yearly equity
To practice, what if the two are added now? lets add one term at a time. first the x terms. 3x+x= 4x. then y+-3y=-2y. finally 3+-2=1. now putting them together we get 4x-2y=1.
multiplying the first equation by 3 gets us 9x+3y=9. basically multiplying each term by 3. now just do the same thing from the first part, so start with the new 9x+x and continue
Answer:
7
Step-by-step explanation:
H to W 15:20 (3:4 simplified
W to H 20:15 (4:3 simplified)