Gina sells 216 cakes in ratio small : medium: large=5:7:12 The profit for one medium cake is twice the profit for one small cake
. The profit for one large cake is three times the profit for one small cake. Her total profit is £648.45 Work out the profit for one small cake.
1 answer:
Answer:
£1.31
Step-by-step explanation:
5+7+12=24
216÷24=9
Small=9x5=45
Medium=9x7=63
Large=9x12=108
2x= Medium, Large= 3x, Small=x
Small=45x, Medium= 63x2=126x, Large=108x3=324x
45x+126x+324x=495x
£648.45=495x
£648.45÷495=x
£1.31=x
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10/100=0.1
1/4=0.25
0.1*0.25=0.025
Answer:
r=4
Step-by-step explanation:
Area of a circle is
A = pi* r^2
We know the area and 3.14 = pi
50.24 = 3.14 * r^2
Divide each side by 3.14
50.24/3.14 =3.14 /3.14 *r^2
16 = r^2
Take the square root of each side
sqrt(16) = sqrt(r^2)
4 =r
Hope This helps you..!!!!
For this question, you would go;
11 - 14 = -3
Then;
-3 ÷ 3 = -1
The answer is b) -1
:)