225.45
+90.32
______
315.77
Nearest whole number
316
X=30
Put in proportions x/45 = 18/27.
Cross multiply and get 27x= 45 x 18
Or 27X = 810.
Next, divide by 27 on both sides to get X=30.
Answer:
8
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
5x + 7x + 3x = 180°
15x = 180°
x = 180°÷15
x = 12