11)
3x = 180
x = 60
12)
6x + 18 = 180
6x = 162
x = 27
Answer:
x=75
Step-by-step explanation:
You have to divide 48 by 4. How many times does 4 go into 48.....................12 times.
12 * 3 = 36, 1/2 * 3 = 1 1/2
36 + 1 1/2 = $37.50 for about 13 kilograms of sand.