Answer:
1.-8p-2
2.−4r−5
3.−7z−3
4.-3s-3
5. 1s
I got lazy to do the rest sorry :D
Answer:
x=2, y=2
Step-by-step explanation:
x+y=4
3x+y=8
3x-x=4
2x=4
x=4/2
=2
2+y=4
y=4-2
=2
Answer:
8 marker
Step-by-step explanation:
You would add 10 to 54 and then divide by 8.
Answer:
400 girls.
480 boys.
Step-by-step explanation:
If the number of girls is x then the number of boys is 1.2x, so we have:
x + 1.2x = 880
2.2x = 880
x = 880/2.2
= 400.
Girls = 400, boys = 1.2*400 = 480.
