Answer:
72
Step-by-step explanation:
127
Sqep-by-step explanation:
135-8:7
x = 19 cm
perimeter = 46 = 2(x + 4)
2x + 8 = 46
2x = 38
x = 19
2:5
david=24mins
mark = 1hour
change 1 hour to mins
DAVID=24
MARK=60
24:60
THEN SIMPLIFY
24/60
<em>=</em><em>2</em><em>/</em><em>5</em>
<em><u>2</u></em><em><u>:</u></em><em><u>5</u></em>