Answer:
multiply by 2
Step-by-step explanation:
5x2=10
10x2=20
Answer:
16, 8, 23
Step-by-step explanation:
2x+x+x+15=47
4x+15=47
4x=32
x=8
2x=16
x+15=23
One dozen = 12
15/12 = 1.25
The cost of one fruit tart is $1.25
To solve for y, isolate the variable to one side.
9x+3y=4
-9x -9x
~~~~~~~~
3y= -9x+4
~~~~~~~~
3y= -9x+4 (Divide both sides by 3)
y=-3x+4
.04 hundredths. I cant believe i am still doing this in middle school.<span />