A) x = 0.296
B) x= 15
Step-by-step explanation:
Step 1:
(2/3) : x :: 4.5 :2
By using expansion method,
(2/3) × 2 = 4.5 x
x= (2/3) × 2 / 4.5
x = 0.296
Step 2:
(2/3) : (1/5) :: 50 :x
By using expansion method,
(2/3) x = (1/5) × 50
x= (1/5) × 50 / (2/3)
x = 15
12/15 = 400/500
500 people took the survey.
Not always, for example 19-32 that would answer to a negative if it was like this : 9-1 then it would be okay message me if u need more help or u dont understand
40%=0.4
0.4(20)
8(markup)
Shirt price=$20+ $8
New price=$28
