Answer:
4w = 40
Step-by-step explanation:
Using the addition property of equality to add 8 on both sides gives us the answer to what 4w equals.

Answer:
435.2kg (1DP)
Step-by-step explanation:
0.64x680
64 divided by 100 = 0.64
Answer:
125
Step-by-step explanation:
A.) We paid $400 on props for a school play. We have made a profit of $100 by charging $4 for one admission.
B.) Variable P for people
C.) -400 + (P*4)= 100
D.) -400+(P*4)=100
+400 +400
P*4=500
/4 /4
P=125
Answer:
Step-by-step explanation:
Remark
You can do this with just 1 unknown.
John = x
Tom = 2x
Solution
x + 2x = 27 Combine the left
3x = 27 Divide by 3
3x/3 = 27/3
x = 9
Conclusion
John invited 9
Tom invited 18