Answer:
A valid proportion would be 3/4=21/28.
Step-by-step explanation:
You would multiply both the 3 & 4 is 3/4 by 7 to get 21/28.
Answer:
x = 2
Step-by-step explanation:
2(2x+1-x)=6
2(x+1)=6 add common factors
2x+2=6 distribute the 2
2x=4 subrtract 2 on both sides
x=2 divide 2 on both sides
Answer: 0.616
Step-by-step explanation:
Adds up
P= 2I + 2W, -2I -2W
Solve for P by Simplifying both sides of the equations, then isolating the variable.