Answer:
10 potatoes.
Step-by-step explanation:
Let x be the number of potatoes.
Then by proportion:
30/12 = x/4
12x = 4*30 = 120
x = 10.
Answer:
x=60
Step-by-step explanation:
Straight line with angles equal 180 degrees so 180-120=60
Answer:
x+6=9
Step-by-step explanation:
divide all by 5
X^2-6x-27 = (x-9)(x+3), therefore (a) is the correct answer
Answer:
no
Step-by-step explanation:
8/12 = 2/3
3/4 = 9/12
