Make an equation.
'is' is an equal sign
The blank can be 'x'
'of' = multiplication
18 = x * 30
Multiply:
18 = 30x
Divide 30 to both sides:
x = 0.6
Multiply by 100:
0.6 * 100 = 60%
3.5h+10=5.25h-11
21=1.75h
12=h
3.5(12)+10=5.25(12)-11
52=52
Step-by-step explanation:
I think we cannot find the sum because it will continue on so the series is multiply by 4
Answer:

Step-by-step explanation:





~
Answer:
5 miles
Step-by-step explanation:
8 laps around the track equal two miles so 8÷2=4. This means that one mile equals 4 laps. So, 20 laps is equal to 5 miles because 20÷4=5.